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Is Alien ‘Life’ Weirder Than We Imagine: Who Is Out There?

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  • Is Alien ‘Life’ Weirder Than We Imagine: Who Is Out There?

    59:56

    If we want to discover alien life out there in the universe, we first need to figure out where to look—and what we're even looking for. Will it be biological like us? Could it be artificial, or take some other form we haven't yet considered? And how do we find something so fundamentally different from ourselves? In this program, scientists devise plans for searching for beings beyond Earth while they grapple with the very definition of life.

    PARTICIPANTS: Lisa Kaltenegger, Caleb Scharf, Susan Schneider, Sara Walker

    MODERATOR: Nicole Stott

    MORE INFO ABOUT THE PROGRAM AND PARTICIPANTS:

    This program is part of the BIG IDEAS SERIES, made possible with support from the JOHN TEMPLETON FOUNDATION.

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    TOPICS:
    - Film about the imaginative search for alien life 00:05
    - Introduction to the program by astronaut Nicole Stott 04:45
    - Introduction of participants 05:50
    - What is the definition of life? 07:09
    - How will we find signs of life elsewhere in the universe? 16:21
    - What are the parameters for looking for life on other planets? 19:36
    - What should the probes on Mars be looking for to find life? 24:58
    - The Fermi Paradox, where is everybody? 30:56
    - Have aliens avoided humans because we're too boring? 34:41
    - Can we use information theory to look for life in the universe? 39:13
    - Why is looking for alien life important to humankind? 44:13
    - Will life in the future be AI, should we be looking for other AI in space? 46:02
    - The Great Filter 48:52
    - Is artificial intelligence alive? 50:28
    - Is evolution the strongest force in the universe, how will it shape the future? 52:13
    - What lessons could humankind learn from the successes and failures of other alien species in the universe? 56:58
    - Why should we care about finding life elsewhere in the universe? 57:58


    PROGRAM CREDITS:

    - Produced by John Plummer
    - Associate Produced by Laura Dattaro
    - Opening film written / produced by John Plummer, animation by Derek Breur
    - Music provided by APM
    - Additional images and footage provided by: Getty Images, Shutterstock, Videoblocks

    This program was recorded live at the 2018 World Science Festival and has been edited and condensed for YouTube.

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  • First Contact with Aliens | Is Anybody Out There? | Spark

    10:14

    As the search for extraterrestrial life picks up speed, scientists ponder about First Contact and whether we should consider the ways in which we will communicate with Aliens.

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    Content licensed from Espresso to Little Dot Studios. Any queries, please contact us at: realstories@littledotstudios.com

    #spark #aliens #nasa

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  • Intelligent Life on Other Planets: What are the Odds?

    53:23

    Title: Intelligent Life on Other Planets: What are the Odds?
    Speaker: Corbin Covault, PhD
    Date: October 29, 2019

  • Extraterrestrial Life | Wheel of Science with Neil deGrasse Tyson

    9:40

    On this episode of Wheel Of Science, Neil deGrasse Tyson and Chuck Nice answer YOUR questions about aliens and extraterrestrial life. Learn about the Drake Equation, panspermia, and where we might find life in our solar system.

    SHARE this episode with a friend who may not be from Earth.

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    #Aliens #ET #NeildeGrasseTyson

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  • This Harvard scientist believes alien life may be nearby

    3:19

    Harvard science professor Avi Loeb says the shape of the object looks so peculiar, it may have an artificial origin.


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  • Astrobiology and the Search for Extraterrestrial Life - with Ian Crawford

    35:56

    What can modern results in astrobiology tell us about the prospects for finding intelligent life elsewhere in the Universe?
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    The famous Drake equation, which provides a rough estimate of the number of civilisations in our galaxy, predicts that space should be teaming with aliens. So where are they and why have we not found them yet?

    Watch the Q&A here:

    Ian Andrew Crawford is professor of planetary science and astrobiology at Birkbeck, University of London. Crawford is a specialist in the science and exploration of the Moon and in the search for life in the Universe. Before switching his research interests to planetary science in 2003, Crawford had a 15-year career at University College London as an observational astronomer specialising in studies of the interstellar medium. He is the author of over 130 peer-reviewed research papers in the fields of astronomy, planetary science, astrobiology and space exploration. Crawford is a Fellow, and currently Vice President, of the Royal Astronomical Society, and a former member of the European Space Sciences Committee (ESSC) of the European Science Foundation. In 2014 he was appointed to the European Space Agency's Human Spaceflight and Exploration Science Advisory Committee (HESAC).

    This talk and Q&A were filmed at the Ri on 16 October 2017.

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  • Finding aliens: Is there a ‘theory of everything’ for life? | Sara Walker | Big Think

    5:47

    Finding aliens: Is there a ‘theory of everything’ for life?
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    ----------------------------------------------------------------------------------
    This video was produced in partnership with John Templeton Foundation.

    What, should it exist, is the universal law that connects all living things? To even dream of answering that question, and to one day find alien life elsewhere in the cosmos, humans must first reconcile the fact that our definition of life is inadequate.

    For astrobiologist Sara Walker, understanding the universe, its origin, and our place in it starts with a deep investigation into the chemistry of life. She argues that it is time to change our chemical perspective—detecting oxygen in an exoplanet's atmosphere is no longer sufficient enough evidence to suggest the presence of living organisms.

    Because we don't know what life is, we don't know where to look for it, Walker says, adding that an unclear or too narrow focus could result in missed discoveries. Gaining new insights into what life on Earth is could shift our quest to find alien life in the universe.
    ----------------------------------------------------------------------------------
    SARA WALKER:

    Sara Walker is an astrobiologist and theoretical physicist interested in the origin of life and how to find life on other worlds. Walker is the deputy director of the Beyond Center for Fundamental Concepts in Science, associate director of the ASU-Santa Fe Institute Center for Biosocial Complex Systems, and assistant professor in the School of Earth and Space Exploration at Arizona State University. She is also co-founder of the astrobiology-themed social website SAGANet.org.

    Read Sara Walker's book From Matter to Life (Information and Causality) at
    ----------------------------------------------------------------------------------
    TRANSCRIPT:

    SARA WALKER: We have, through science over the last 400 years, come to have a really deep understanding of the natural world. But so far that deep understanding doesn't include us. It's really important in an age when we're being faced with existential threats on a regular basis to understand our place in the cosmos. And I think unless we actually really address the question of 'What is life?' we're not really gonna understand ourselves in the context of the systems that we live in.

    Because we don't know what life is, we don't know where in the universe to look for it. My biggest worry is that we might just completely miss discovering it because we actually don't really have an idea what we're looking for. And we're thinking about the definitions of life the wrong way.

    I'm Sara Walker and I'm an astrobiologist. What that means is that I'm really interested in understanding if there's life elsewhere in the universe, but I'm also really interested in just understanding ourselves. And so most of my work is really focused on understanding the origin of life on Earth. To do that, my group is building ensembles of thousands of organisms and thousands of ecosystems and looking at properties of their chemistry.

    NARRATOR: On Earth, we're surrounded by life, but we have no idea how common or rare living systems are in the universe. We have no idea how many different forms life can take, no notion of what limits there are to its size or the timescales it operates on. We might've encountered alien life already and not recognized it.

    WALKER: There's this assumption that we make that because we are alive, we actually recognize life when we see it, or we understand what life is, and I think that's actually a really flawed viewpoint. For a long time, it was thought if we see oxygen in the atmosphere of an exoplanet, that is a sign of life, and we will be able to claim victory that we have discovered aliens. But as scientists thought about it a little bit more, it turns out you can make atmospheric oxygen pretty easily with simple models that don't even contain life. We really need a more general definition for life that doesn't depend on the specific chemistry that life on Earth uses but is more characteristic of what life is as a process that organizes chemistry and does all of the wonderful things that we associate with living matter.

    So I, for example, have a very broad definition of life that includes things like technology. Part of the reason for that is if you found a phone on Mars, you might not think that you discovered life, but you certainly would think you discovered evidence of life. Because the likelihood of that phone being there is zero without a living process putting it there. Life is literally the physics of creativity. It's the creative process in the universe. It's not an individual in that process...

    Read the full transcript at

  • Are There Aliens on Venus? | Planet Explorers | BBC Earth

    7:04

    Venus is hell – it’s a toxic, overheated, crushing hellscape where nothing can survive. Every rover ever sent has melted. But Dr Clara Sousa-Silva thinks she has found evidence of life up in the clouds. It’s a game-changer in the search for alien life.

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  • Bizarre Alien Life Forms | Known Universe: Alien Contact

    4:04

    Life on other planets would adapt to its environment and might be stranger than you could ever imagine.
    Known Universe: Alien Contact :
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  • When will Alien Life be Found on Exoplanets?

    29:25

    How long will it be before we find alien life on exoplanets? Exoplanet astronomer Dr. Ryan MacDonald explains how biosignatures can be found in exoplanet atmospheres. He also reveals how the discovery of the first close-in planet around a white dwarf could dramatically accelerate the hunt for alien life beyond the solar system with the James Webb Space Telescope.

    ***** Chapters *****

    0:00 - Introduction
    1:15 - Worlds Beyond Earth
    2:26 - Early Exoplanet Discoveries
    4:10 - Transiting Exoplanets
    5:26 - Transmission Spectroscopy
    6:24 - Exoplanet Atmospheres
    9:15 - The James Webb Space Telescope
    10:33 - Signatures of Life on Earth
    14:57 - Exoplanet Biosignatures
    16:34 - The Small Star Opportunity
    17:52 - Case Study: TRAPPIST-1
    19:44 - When Stars Die
    20:51 - White Dwarfs
    22:27 - The Discovery of WD 1856b
    24:04 - Earth-like Planets Around White dwarfs
    25:10 - The White Dwarf Opportunity

    ***** Animations and media *****

    Most animations and graphics used here were produced by NASA, ESA, and ESO. Special thanks to Jack Madden for producing the renders of an Earth-like planet around a white dwarf.

    ***** Music *****

    All credit to Aakash Gandhi for creating the two inspirational tracks included in this video and for releasing them into the public domain.

    ----- Further information -----

    ● 'Revealing the Nature of Exoplanetary Atmospheres' (my PhD thesis):


    ● 'The Astrobiology Primer v2.0':


    ● 'How to Characterize Habitable Worlds and Signs of Life':

    (free open access):

    ● 'Exoplanet Biosignatures: A Review of Remotely Detectable Signs of Life':


    ● 'The White Dwarf Opportunity: Robust Detections of Molecules in Earth-like Exoplanet Atmospheres with the James Webb Space Telescope':

    (free open access):

    ● 'A giant planet candidate transiting a white dwarf':

    (free open access):

    ● 'Atmospheric Retrieval of Exoplanets' (Martian Colonist video):


    #Exoplanet #AlienLife #JWST

  • LIFE BEYOND II: The Museum of Alien Life

    38:00

    Soundtrack: Support me on Patreon:

    What if there was a museum that contained every type of life form in the universe? This experience takes you on a tour through the possible forms alien life might take, from the eerily familiar to the utterly exotic, ranging from the inside of the Earth to the most hostile corners of the universe.

    New research is upending our idea of life and where it could be hiding: not just on Earth-like planets, where beings could mimic what our planet has produced, but in far flung places like the hearts of dead stars and the rings of gas giant planets. Nowhere in the universe is off limits.

    Only when we know what else is out there will we truly know ourselves. This thought experiment will give us a glimpse into what could be out there, how we might find it, and just how far nature’s imagination might stretch.

    Big thanks to Protocol Labs for their continued support of this series:

    Concept, visuals, and score by melodysheep, aka John D. Boswell. Narrated by Will Crowley. Additional visuals by Lynn Huberty, Tim Stupak, NASA, and Evolve. Featuring soundbites from Nick Lane, Jonathan Losos, Caleb Scharf, Shawn Domagal-Goldman, Chris Crowe, Jack Cohen, and Jill Tarter.

    Featuring clips from Lynn Huberty’s amazing film “SHYAMA”:

    3D models by:
    Andrey Gritsuk ( Alex Albinyana, Alexander Tobler, Andrey Shinkov, Millionth Vector, Jazz-Cousins, Nick Govacko, DCA Tabletop, Dimitar Grozev, Maynardd, Bernhard van der Horst, Alexandr Ivlev, 3DRTcom, AssetKit, Tebogo, Igor Puškarić, The French Monkey

    Thanks especially to:
    Lynn Huberty
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    Rowdy Jansen
    Eddy Adams:
    Kimi Ushida:
    Gregory Cohen:
    Eric Capuano:
    John Maier
    Logan
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    Caleb Levesque
    Eric Malette
    Brandon Sanders
    Tim Stupak

    And to all my supporters on Patreon: Ada Cerna, Adam Orand, Ajish Balakrishnan, Aksel Tjønn, Ali Akın Kurnaz, Andrew Edwards, Andrew Valenti, Antoine C, Antoni Simelio, Augustas Babelis, Bhisham Mahtani, Bradley Gallant, Brant Stokes, Daniel Saltzman, Caleb Levesque, Case K., Cheshire 2e du nom, Chinmay Kumar, Chris Wilken, Christian Oehne, Christina Winikoff, Christopher Heald, Chung Tran, Colin Glover, Corentin Kerisit, Cozza38, Crystal, Dan Alvesved, Danaos Christopoulos, Dave LeCompte, Davee Hallinan, David Lyneham, david p boswell, David Southpaw, denise frey, Derick Yan, Dexter, dixon1829, Don Loristo, Dylan Webb, Eico Neumann, Eyubed Balcha, Ezri Dax, Gaétan Marras, Gary Wei, geekiskhan, Genesplicer, Giulia C., Håkon A. Hjortland, Hans Husurianto, Henry R. Seymour, Heribert Breidsamer, ilkercan Kaya, Iota Katari, is8ac, Jackie Pham, James O'Connor, Jayson Hale, Jean Neyrial, Jessica Turner, Jimpy, JM_Borg, Jordan Swickard, Jose Contreras, Joshua Oram, JousterL, Julian Büttner, Julio Hernández Camero, kaynen brown, Kristin & Alan Cameron, Laine Boswell, Lars Støttrup Nielsen, Laura, Laura Liddington, Layne Burnett, LemonHead, Lennart Klootwijk, Leo Botinelly, Leonard van Vliet, lloll887, Manu Galán García, Maraiu, Marco Cardamone, Mark Christopher, Mark T., Markus Oinonen, Marlin Balzer, Martin Majernik, Matthew Jacoby, Matthew Ullrich, Maxime Marois, Mehdi Bennani, Michael Li, Michelle Wilcox, Mike Norkus, Mind Wave, Mitchel Humpherys, Mohammed Aldaabil, Nathan, Nicholas Martin, Nikita Temryazansky, Nina Atesh, Nina Barton, Ninel, Patrick Keim, Patrick Schouten, Peycho Ivanov, PonWer, Preston Maness, Radu Turcan, Ramsey Elbasheer, Randall Bollig, Raz, RedOptics, Reg Reyes, Richard Sundvall, Richard Williams, Rob Phillips, Robin Kuenkel, Runi Winther Johnsen, Samih Fadli, Sandra, Sandro Heinimann, Scarlet Fortuna, Silas Rech, SilverFolfy, Smoka_Lad, SpartanLegends, Stefan, SunaScorpion, SymeSynth, The Cleaner, The Fellowship of Doge, TheHumungus, Timothé Wegiersky, Timothy E Plum, Trevor Robertson, Verissimus, Vinh Vo, Virgile Coulot, Whitney Champion, William Ronholm, Wise Doane, Wolfgang Bernecker, Yannic, ZAB, Алексей Козловский

    Research Sources: See (bottom of page)

    Peace and love,

    melodysheeep

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  • Alien Life: Will We Know It When We See It?

    1:33:30

    What are scientists looking for when searching for alien life? A lot, it turns out: the search for extraterrestrials requires the help from astronomers, planetary scientists, chemists, computer scientists, and geneticists, just to name a few. But are we barking up the wrong carbon-based tree? Could alien life develop in ways we haven't dreamed of here on Earth? Hear Paul Davies, Sara Seager, Jack Szostak, and other experts give updates on the search for life outside our planet in Alien Life: Will We Know It When We See It? part of the Big Ideas series at the 2014 World Science Festival.

    This program is part of the Big Ideas Series, made possible with support from the John Templeton Foundation.

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    Original Program Date: May 31, 2014
    Host: John Hockenberry
    Participants: Jack W. Szostak, Paul Davies, Sara Seager, Dimitar Sasselov

    Carl Sagan and the future of finding alien life. 00:00

    John Hockenberry's Introduction. 2:23

    Participant Introductions. 5:45

    How close are we to finding aliens? 6:48

    How can you detect exoplanets that far away? 10:03

    Kepler 186 system. 14:49

    What are the tools you use to find Exoplanets? 18:00

    Detecting beer drinkers at a football game. 24:18

    What are we looking for on the microbial level? 30:05

    What starts life on any planet? 36:04

    Who will we call when aliens land on earth? 41:28

    Processing in analog and digital with a two denominational cellular optometer. 49:30

    The awakening of extraterrestrial life from the Vatican. 54:00

    How we may have cheated to form life from other planets? 56:50

    If we look for life where water is located are we ignoring life everywhere else? 1:04:54

    Can you elaborate on the possibility life on ancient mars? 1:08:39

    What are the new tools coming online today? 1:11:20

    What is the direct imaging technique? 1:14:50

    Testing the pedals on a space telescope. 1:21:00

    The conditions on earth that we need for life elsewhere. 1:24:32

    Communication basics from extremophiles. 1:28:05

  • Extraterrestrial Life: Are We Alone?

    58:56

    It's a question that we have pondered for years: is life on earth really the only life that's out there in the universe? Turns out there's a good chance it's not just us. With research indicating that other planets might be able to host life, how should we be thinking about interactions between extraterrestrial and Earth life? Planetary protection involves avoiding contamination of other locations in the universe with Earth life, as well as preventing unpleasant things happening when possibly-inhabited material is brought to Earth from other planets. How can we tell the difference between extraterrestrial and Earth life? What do we need to keep Earth safe, and other planets safe from contamination by us?

    Dimitar Sasselov Catharine Conley Tracy Day

  • How Is NASA Contacting Aliens? | Alien Life Documentary | Spark

    50:48

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    With technology advancing faster than ever, and more and more discoveries being made every day, is the day we contact extraterrestrial life almost here?

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    #Spark #aliens #alienlife #conspiracy #space #spacetravel #isanybodyouthere #nasa #spacex

  • Are we alone in the universe or is alien life inevitable?

    1:22:26

    666 ABC Canberra Mornings host Genevieve Jacobs talks with Professor Brian Schmidt, Dr Alan Duffy, Professor Naomi McClure-Griffiths, Professor Matthew Bailes and Professor Paul Davies about the $135 million search for extraterrestrial intelligent life.

    For more information and speaker biographies go here:

  • Alien life on Earth | Outsiders | VPRO Documentary

    14:00

    Meet Anton (70), who is certain that we're regularly being visited by alien life. With presenter Tim they go searching for UFO's and aliens.

    When Anton was 23 years old, he saw some noiseless orbs skimming over him in the sky . Since then he has seen such apparitions more often and is convinced that there are aliens on Earth. He has even spoken to one - after all, many aliens have human forms. Anton is charting where and when the creatures appear on Earth.

    Part of a series called 'The Outsiders', about people who consciously choose to live off the beaten path. What do the stories of these and other outsiders say about the way most of us live?

    On VPRO broadcast you will find nonfiction videos with English subtitles, French subtitles and Spanish subtitles, such as documentaries, short interviews and documentary series.

    This channel offers some of the best travel series from the Dutch broadcaster VPRO. Our series explore cultures from all over the world. VPRO storytellers have lived abroad for years with an open mind and endless curiosity, allowing them to become one with their new country. Thanks to these qualities, they are the perfect guides to let you experience a place and culture through the eyes of a local. Uncovering the soul of a country, through an intrinsic and honest connection, is what VPRO and its presenters do best.

    So subscribe to our channel, and we will be delighted to share our adventures with you!
    more information at

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  • An Exoplanet Home to Metal Aliens? | NASAs Unexplained Files

    11:27

    Experts investigate if a nearby exoplanet could be the home to an alien civilization of strange, metallic monsters after a new discovery confirms that life can thrive on such a world.

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  • Searching for Extraterrestrial Intelligence | Erik Zackrisson | TEDxUppsalaUniversity

    17:30

    Astronomers have been scanning the skies for signals from other civilizations for more than half a century, yet no evidence for intelligent life in outer space has so far emerged. Now, they are trying out new methods in search of our cosmic neighbours. Erik Zackrisson is an associate professor in Astronomy at Uppsala University. He spends most of his time studying distant galaxies, the mysterious dark matter and the birth of black holes. He also has a keen interest in the search for extraterrestrial intelligence. Besides his profession, Erik likes writing fiction, hanging out in old-school video game arcades and to invent recipes for bizarrely unhealthy food together with his kids. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at

  • Alien | One Strange Rock

    47:23

    Life on Earth starts as single-cell bacteria and stays like that for two billion years; then, a miraculous event transforms Earth into a complex interconnected web based on a competition for food.

    Watch more One Strange Rock now on Disney+:

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    Alien (Full Episode) | One Strange Rock


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  • Alien Contact: What Happens Next?

    1:11

    Are we alone in this vast universe? Some think that’s highly unlikely. With new technologies joining the search, NASA estimates we’ll find definitive evidence of aliens within 20 to 30 years. Which raises the vital question: And then what? Will the news inspire jubilation, despair, or fear? Will aliens be seen as gods or interlopers? Evidence of alien life will provoke fundamental questions about our place in the universe–not just about who they are, but also who we are. Join astronomers, astrobiologists, anthropologists, philosophers, and linguists as we ponder these issues.

    PARTICIPANTS: Kathryn Denning, David Kipping, Karen Lewis, and Marcelo Magnasco

    MODERATOR: Wendy Zukerman

    MORE INFO ABOUT THE PROGRAM AND PARTICIPANTS:

    This program is part of the BIG IDEAS SERIES, made possible with support from the JOHN TEMPLETON FOUNDATION.

    - SUBSCRIBE to our YouTube Channel and ring the bell for all the latest videos from WSF
    - VISIT our Website:
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    TOPICS:

    00:00 - Participant intros
    1:50 - How are scientists searching for intelligent life?
    5:10 - Sending messages into space
    6:59 - What kind of alien signal are we likely to detect?
    9:00 - Would we be able to interpret an alien signal?
    13:44 - What is the closest that intelligent life could be to Earth?
    16:25 - How would we know if far away transmitting civilizations still exist?
    20:00 - How well can we communicate with dolphins?
    24:19 - Dolphin research film
    26:27 - Understanding dolphins vs. understanding aliens
    28:44 - What are the steps to understand an alien language?
    38:02 - What happens on earth after we contact alien life?
    44:40 - War of the Worlds broadcast controversy and damage
    46:40 - Will the discovery of aliens unite humanity?
    50:39 - What if we’re alone in the universe?
    53:10 - Could AI help us find aliens?
    54:20 - Using our children to bridge languages and species

    PROGRAM CREDITS:

    - Produced by John Plummer
    - Associate Produced by Laura Dattaro

    This program was recorded live 6/3/18 at the World Science Festival and has been edited and condensed for YouTube.

  • x
  • Do ALIENS exist? | An astrophysicists perspective

    14:02

    Are we alone in the Universe? Although there's no evidence for life elsewhere in the Solar System or beyond (yet!), science can at least help us work out if alien life is likely or not. To learn something new, head to and sign up for free!

    More on the Hubble Ultra Deep Field (HUDF) image:

    00:00 - Introduction
    00:35 - How many galaxies are in the Universe?
    03:19 - How many stars are in the Universe?
    04:45 - How many of those have planets?
    07:14 - How many of those are habitable?
    09:11 - Will we ever communicate with alien life?
    13:04 - BLOOPERS

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    ????????‍???? I'm Dr Becky Smethurst, an astrophysicist at the University of Oxford (Christ Church). I love making videos about science with an unnatural level of enthusiasm. I like to focus on how we know things, not just what we know. And especially, the things we still don't know. If you've ever wondered about something in space and couldn't find an answer online - you can ask me! My day job is to do research into how supermassive black holes can affect the galaxies that they live in. In particular, I look at whether the energy output from the disk of material orbiting around a growing supermassive black hole can stop a galaxy from forming stars.


  • Where Are The Aliens? | Cosmic Vistas | Spark

    22:18

    Explore the question of the Fermi paradox: Given a few reasonable assumptions about the chance of life arising elsewhere in the universe and the distances between the stars, why haven’t we uncovered another civilization?
    -
    Season Four of Cosmic Vistas zooms in to focus on some familiar solar bodies within our reach. How well do we really know our celestial neighbours such as Saturn and Mars? What do we have yet to learn? With the help of satellite technology and the incredible shuttles that put them into orbit, many questions about our solar system's past and future are finally being answered by science.

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    #Aliens #FermiParadox #FirstContact

  • The Search for Primitive and Intelligent Life on Other Planets

    1:22:58

    Professor Abraham (Avi) Loeb, chair of the Astronomy department, Harvard University.
    Are we alone? Probably not, out of modesty - keeping in mind that about a quarter of all stars host a habitable Earth-size planet. Upcoming searches for primitive life will aim to detect oxygen or methane in the atmospheres of transiting planets. Searches for intelligent life will aim to detect artificial signals in the radio or optical bands, as well as artifacts such as megastructures, solar cells that are used to re-distribute light and heat on tidally-locked planets, industrial pollution or artificial light beams. Our own civilization is starting to study the feasibility of interstellar travel using a powerful laser beam pushing on a lightweight sail, the so-called Starshot Initiative. If successful, we might receive a signal from outer space stating: welcome to the interstellar club!.

  • Alien Worlds Season 1 | Official Trailer | Netflix

    1:23

    Applying the laws of life on Earth to the rest of the galaxy, this series blends science fact and fiction to imagine alien life on other planets.

    Watch Alien Worlds, only on Netflix December 2:

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    Netflix is the world's leading streaming entertainment service with over 195 million paid memberships in over 190 countries enjoying TV series, documentaries and feature films across a wide variety of genres and languages. Members can watch as much as they want, anytime, anywhere, on any internet-connected screen. Members can play, pause and resume watching, all without commercials or commitments.

    Alien Worlds Season 1 | Official Trailer | Netflix

  • Is Water On Other Planets Evidence Of Alien Life? | Cosmic Vistas | Spark

    22:40

    They say the key ingredient to life in the universe is water. Until recently we thought Earth was the only place in the solar system to have any water at all. Now that probes are peering around nearby worlds we are finding that is just not the case.
    -
    Season Three of Cosmic Vistas zooms in to focus on some familiar solar bodies within our reach. How well do we really know our celestial neighbors such as Saturn and Mars? What do we have yet to learn? With the help of satellite technology and the incredible shuttles that put them into orbit, many questions about our solar system's past and future are finally being answered by science.

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    Any queries, please contact us at: owned-enquiries@littledotstudios.com

    #Spark #CosmicVistas #Universe #BigBang

  • UFOs & Aliens Alien Life Forms

    52:52

    In this episode of UFOs & Aliens, step into the conversation of alien life forms. People all over the world claim to have experienced close encounters with extraterrestrial beings. Follow the experts as they delve into studying the evidence and learn how they study extreme environments on Earth in order to conceptualize what life might be like on other celestial planets, moons, and meteorites.

    UFOs & Aliens is a 1999 movie, ***narrated by Jeri Ryan of Star Trek: Voyager, this series features stunning visualizations and interviews with top experts in the field of science, technology and ufology including Jill Tarter, inspiration for the book & film, Contact. First broadcast on TLC, UFOs & Aliens provides an exciting examination of UFO sightings, alien encounters, and our efforts to contact extraterrestrial life.

    ****Please note that this is just a segment of the full movie, UFO's and Aliens. Jeri Ryan is one of the few narrators.

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    #aliens #UFOs #startrek #JeriRyan
    4383 102

  • Why Have We Not Found Any Aliens? - with Keith Cooper

    51:38

    After six decades of examining signals from space, why have we yet to discover evidence of extra-terrestrial life?
    Keith's book The Contact Paradox: Challenging our Assumptions in the Search for Extraterrestrial Intelligence is available now -

    For the past six decades a small cadre of researchers have been on a quest, as part of SETI, to search for extraterrestrial intelligence. So far, SETI has found no evidence of extraterrestrial life, but with more than a hundred billion stars in our Galaxy alone to search, the odds of quick success are stacked against us.

    Keith Cooper explores how far SETI has come since its modest beginnings, where it's going and the assumptions that we make in our search for extraterrestrial life.

    Watch the Q&A:

    Keith Cooper is a freelance science journalist and editor. Since 2006 Keith has been the Editor of Astronomy Now, and he is also the Editor of Astrobiology Magazine. In addition he has written on numerous space- and physics-related topics, from exploding stars to quantum computers, for Centauri Dreams, New Scientist, Physics World, physicsworld.com and Sky and Telescope. He holds a BSc in Physics with Astrophysics from the University of Manchester.

    This talk was filmed in the Ri on 22 November 2019.

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  • Are We Alone? The Search for Life in the Universe

    1:10:14

    The SETI Institute is bringing SETI Talks to San Francisco for the first time, thanks to a partnership with U.C. Berkeley Extension. Three scientists will discuss their individual approaches to answering the question, “are we alone?” and how they are searching for life elsewhere in the universe. Will we find a so-called technosignature, evidence of advanced technological civilizations? Should we explore places in our solar system with liquid water, such as Europa or Enceladus, for microbial life? And what can the study of exoplanets tell us about the possibility of extraterrestrial life? What are the near-term chances of discovering some form of life elsewhere?

  • W5: Searching outer space for signs of extraterrestrial life

    21:52

    If aliens are sending us signals, are we set up to detect them? Dan Riskin speaks with planetary scientists, radio astronomers, and computer scientists who explain how the search for ET has ramped up in the last few decades. But if they're successful, is there a way to predict what alien creatures might look like?

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    W5 is Canada’s most-watched investigative, current affairs and documentary program. Tackling major stories and investigations W5 is in its 51st season.

  • Where Are They, All Those Aliens? | Episode 305 | Closer To Truth

    26:47

    Most scientists assume that the universe must be populated with innumerable alien intelligences and civilizations - after all, we humans can't be so special. OK, so where are they, these innumerable alien intelligences and civilizations? How come there's zero evidence? Featuring interviews with Jill Tarter, Douglas Vakoch, Frank Drake, Raymond Kurzweil, Francisco Ayala, Steven Dick, and David Brin.

    Season 3, Episode 5 - #CloserToTruth

    ▶Register for free at CTT.com for subscriber-only exclusives:

    Closer To Truth host Robert Lawrence Kuhn takes viewers on an intriguing global journey into cutting-edge labs, magnificent libraries, hidden gardens, and revered sanctuaries in order to discover state-of-the-art ideas and make them real and relevant.

    ▶Free access to Closer to Truth's library of 5,000 videos:

    Closer to Truth presents the world’s greatest thinkers exploring humanity’s deepest questions. Discover fundamental issues of existence. Engage new and diverse ways of thinking. Appreciate intense debates. Share your own opinions. Seek your own answers.

    #FermiParadox #Aliens

  • Extraterrestrial Life - Avi Loeb

    1:31:00

    A Reno Family Foundation Symposium
    Extraterrestrial Life with Avi Loeb, PhD
    Monday October 16th, 2019
    Museum of Science, Boston

    Are we the Universe’s only children and our thoughts its only thoughts? Given that a quarter of all stars host a habitable Earth-size planet, it would be arrogant to think we are. Upcoming searches will look for intelligent life on planets outside the Solar System through industrial pollution in their planetary atmospheres and space archaeology of debris from dead civilizations. Our own civilization is exploring interstellar travel. If successful, we might receive a signal from outer space stating: “welcome to the interstellar club!” Or we may receive a “message in a bottle,” implying that we should examine carefully any unusual object that arrives from outside the Solar System, such as `Oumuamua. Join superstar astronomer Avi Loeb to consider extraterrestrial life and how ‘Oumuamua might be a probe sent by an alien civilization.

    Join superstar astronomer Avi Loeb to consider extraterrestrial life and how ‘Oumuamua might be a probe sent by an alien civilization.

    Funding provided by the Reno Family Foundation Fund. This program is free thanks to the generosity of the Lowell Institute.

  • They Also Found a Live Alien Ep. 4 Official Clip | UFO | SHOWTIME Documentary Series

    1:19

    Richard Doty, former Air Force Intelligence Officer, discusses the discovery of a live alien in New Mexico. All episodes now streaming.

    #SHODocs #UFO

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    From J.J. Abrams’ Bad Robot comes a four-part docuseries uncovering the (in)credible evidence and events that claim the existence of UFOs and other life forms on – or hovering above – Earth. The series will unravel America’s historic obsession with the extraterrestrial. From “Top Gun” pilots being taunted by tic-tac looking flying saucers in the sky, to Gen Z’s rave in the notorious Area 51, to government conspiracy theories, set ups and cover ups, our UFO Project will take us to the ends of the earth – and even a bit farther than that – and back as we tell the twisted tales of sightings, and deception and what this intense and haunting speculation has done to the psyche of the American public and national trust in the government.

  • UFO | Series Premiere | Full Episode

    52:00

    A four-part docu-series from J.J. Abrams’ Bad Robot and Glen Zipper exploring our fascination with unidentified flying objects, and what clandestine influence the American government, lucrative private companies and the military may have in shielding the truth behind extraterrestrial phenomena to further their own agendas. All episodes now streaming.

    #SHODocs #UFO

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    From J.J. Abrams’ Bad Robot comes a four-part docuseries uncovering the (in)credible evidence and events that claim the existence of UFOs and other life forms on – or hovering above – Earth. The series will unravel America’s historic obsession with the extraterrestrial. From “Top Gun” pilots being taunted by tic-tac looking flying saucers in the sky, to Gen Z’s rave in the notorious Area 51, to government conspiracy theories, set ups and cover ups, our UFO Project will take us to the ends of the earth – and even a bit farther than that – and back as we tell the twisted tales of sightings, and deception and what this intense and haunting speculation has done to the psyche of the American public and national trust in the government.

  • Is There Intelligent Life On Other Planets?

    8:02

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    Now that we know planets are common in our galaxy, how would we tell if one holds life? Sure, it will take incredibly powerful telescopes and ambitious new space missions, but what are we looking for? What are we listening for? How do we help other worlds know that we are here?

    Here's the thing: Life on Earth has an expiration date. No matter what humans do, our aging sun will eventually be so hot that we can't survive. If we want to live on, it will have to be beyond Earth. The only question is, will it be US who live on, or just our radio broadcasts and dead satellites?

    If you missed Part 1 last week:

    Check out Five Billion Years of Solitude by Lee Billings:

    My Sagan + Valentine's Day episode:

    Ray Bradbury reading If Only We Had Taller Been courtesy of NASA/JPL

    More reading:

    The 7 hurdles for a planet to develop intelligent life:

    Sagan's rules for life:

    Earth is gradually getting more radio quiet:

    Searching for the archaeological ruins of extraterrestrial civilzations:

    How long will life survive on Earth?

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  • Is There Life Beyond Earth?

    15:11

    Scientists are leaping exponentially closer to finding life beyond Earth. Missions to Mars and Saturn’s moons are prime candidates for finding the first signs of life and NASA can now identify more than 3,500 planets outside our solar system, many with habitable temperatures. That number is quickly growing as space travel technology improves and probes head deeper into the galaxy.

    Nuclear physicist Taylor Wilson explores one of our civilization's most perplexing questions: Are we alone?

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  • What Would Life look like on Alien Worlds?

    10:11

    What Would Life look like on Alien Worlds?
    When we search the cosmos for life, we usually look for planets that look like Earth, after all, if Earth can support life why couldn’t a similar planet. But not all planets look like Earth, some are much hotter and others much smaller. With the diversity of planets, it's worth asking, what would life look like on alien worlds?

    We'll discuss two worlds. Atlas: 5,000 light-years away lies a ringed world more than double the size of Earth with twice as much gravity. Janus: Imagine a planet in such a close orbit, that its rotation is locked by the star's gravity so it always shows the same face to its sun, like how we only ever see one side of the Moon. Under such different circumstances, how would life adapt to such extreme worlds?

    Despite light-years between planets, life across the universe needs the same basics to survive, food and a reason to reproduce. Despite the vast differences in lifeforms, these common needs could result in some remarkable similarities across the cosmos.

    This video was based on the Series Alien Worlds on Netflix, I definitely recommend giving it a watch. If you like this video and want to see a part two on what life would look like on two more imaginary worlds, be sure to let us know in the comments section below. And remember, there is always, more to learn.

    If you like the video or have any other video ideas you want to see us make, let us know in the comments section (it really helps us smaller channels).

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    Bonus Tags so the algorithm likes me more: Alien Worlds, alien life, life on alien worlds, What Would Life look like on Alien Worlds, alien planets, alien encounters, alien worlds season 1, alien, aliens, alien planet, alien worlds review, alien worlds summary, alien worlds season 2, space,science

  • Why Havent We Found Alien Life?

    12:11

    Seems like Aliens SHOULD Be Out There!

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    With millions of Earth like planets around sun like stars in our galaxy alone, why don't we see intelligent alien life? Or any other life for that matter? It gets especially weird when you factor in new scientific revelations that life on Earth occurred crazy fast! So if you want to help us theorize on the real reasons we haven't found alien life, you should watch today's episode of Space Time!

    Is It Irrational to Believe in Aliens


    5 Real Possibilities for Interstellar Travel


    Comments:
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    References:
    _______________________
    On The History and Future of Cosmic Planet Formation
    Behroozi & Peeples 2015,


    Potentially biogenic carbon preserved in a 4.1 billion-year-old zircon
    Bell et al. 2015

  • Brian Cox investigates a potential alien signal ???? ???? - BBC

    3:51

    Subscribe and ???? to OFFICIAL BBC YouTube ????
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    Professor Brian Cox visits the people who run SETI - the Search for Extraterrestrial Intelligence - and investigates whether we once received a signal from another planet. This signal has never been seen again and is now infamously called the WOW signal.

    #BBC #BrianCoxsAdventures #BBCiPlayer

    Brian Cox's Adventures in Space and Time | Streaming Now | BBC iPlayer

    All our TV channels and S4C are available to watch live through BBC iPlayer, although some programmes may not be available to stream online due to rights. If you would like to read more on what types of programmes are available to watch live, check the 'Are all programmes that are broadcast available on BBC iPlayer?' FAQ ????

  • The Search for Alien Life | The Space Show

    13:43

    Lisa Kaltenegger is the Director of the Carl Sagan Institute at Cornell and works from Sagan's old office. In this episode of The Space Show, she reveals how we may be just a few years away from answering humanity's greatest question: are we alone in the universe?

    Watch more from this series:

    Inside the Fastest Spaceship Ever Made


    NASA Is Building a Space Station Around the Moon


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  • The Museum of Alien Life Explained. John Boswell, Franck Marchis

    43:26

    What if there was a museum that contained every type of life form in the universe? A place that includes the possible forms alien life might take, from the eerily familiar to the utterly exotic, ranging from the inside of the Earth to the most hostile corners of the universe. This place does not yet exist but it has been digitally created by Melodysheep.

    Join us on Wednesday Jan. 20 at 10am PST for a special SETI Live with John D. Boswell, aka Melodysheep, a filmmaker, composer, VFX artist, known for his YouTube series named Life Beyond.

    John will sit down with SETI Institute Senior Astronomer, Franck Marchis, to discuss his recent video named the Museum of Alien Life which already had 7.3 million views on YouTube. John will explain the motivation for this video, the science behind it, the process to make it, and of course the creative content.

    We recommend you watch the video before the SETI Live here:




    If you like SETI Live, or just like science, support the SETI Institute! We're a non-profit research institution whose focus is understanding the nature and origins of life in the universe. Donate here:

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    #SETILive #SearchforLife #AreWeAlone

  • Top Secret UFO Projects: Declassified | Official Trailer | Netflix

    1:44

    Original factual television series featuring the most recent information and proof exposing the most top-secret government projects that handled contacts with and cover-ups of, extraterrestrial presence on Earth.

    SUBSCRIBE:

    About Netflix:
    Netflix is the world's leading streaming entertainment service with 208 million paid memberships in over 190 countries enjoying TV series, documentaries and feature films across a wide variety of genres and languages. Members can watch as much as they want, anytime, anywhere, on any internet-connected screen. Members can play, pause and resume watching, all without commercials or commitments.

    Top Secret UFO Projects: Declassified | Official Trailer | Netflix


    Though claims of extraterrestrial encounters have long been dismissed, many believe the existence of UFOs is not just likely, but a certainty.

  • Alien Oceans | Explorers in the Field

    5:52

    Asteroids are incredible sources of information about the history of our solar system. Planetary geologist and National Geographic Explorer Bethany Ehlmann studies images of Ceres, the largest asteroid in the belt between Mars and Jupiter.
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    National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.

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  • Neil deGrasse Tyson Weighs in on Pentagon UFO Report and Alien Life | The View

    9:08

    The astrophysicist and Cosmic Queries author discusses Jeff Bezos' upcoming space trip and if the UFOs allegedly spotted by Navy pilots could be extraterrestrial or foreign aircraft on The View.

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  • New Book Extraterrestrial: The First Sign of Intelligent Life Beyond Earth

    7:17

    A Harvard professor says an alien visited in 2017 and more are coming

  • Is there anybody out there: The search for aliens moves up a notch

    3:10

    While the odds of finding evidence for alien life are unknown, the search continues. In their report, our correspondents Valérie Defert and Pierrick Leurent tell us how the subject of UFOs recently made headlines after the US Navy confirmed that three videos taken in 2004 and 2015 showing unidentified flying phenomena were being investigated.

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  • UFO Official Trailer | SHOWTIME Documentary Series

    2:15

    UFO is a four-part docu-series from J.J. Abrams’ Bad Robot and Glen Zipper exploring our fascination with unidentified flying objects, and what clandestine influence the American government, lucrative private companies and the military may have in shielding the truth behind extraterrestrial phenomena to further their own agendas. All episodes now streaming.

    #SHODocs #UFO

    Subscribe to the SHOWTIME YouTube channel:

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    From J.J. Abrams’ Bad Robot comes a four-part docuseries uncovering the (in)credible evidence and events that claim the existence of UFOs and other life forms on – or hovering above – Earth. The series will unravel America’s historic obsession with the extraterrestrial. From “Top Gun” pilots being taunted by tic-tac looking flying saucers in the sky, to Gen Z’s rave in the notorious Area 51, to government conspiracy theories, set ups and cover ups, our UFO Project will take us to the ends of the earth – and even a bit farther than that – and back as we tell the twisted tales of sightings, and deception and what this intense and haunting speculation has done to the psyche of the American public and national trust in the government.

  • Don’t Be Afraid of Messaging Extraterrestrial Intelligence | Douglas Vakoch | TEDxNormal

    13:12

    Dr. Vakoch is President of Messaging Extraterrestrial Intelligence (METI). As astronomers launch ambitious projects for Messaging Extraterrestrial Intelligence, alarmists worry that transmitting intentional radio and laser signals into space may provoke an alien invasion. These critics overlook one fundamental fact: it’s too late to hide. Any extraterrestrial civilization capable of coming to Earth to do us harm already knows we’re here through the accidental radio and television signals that have been streaming out from our home world over the past century, travelling at the speed of light. Rather than cower in our corner of the universe, we should grow up and reach out, sending a clear message that we want to make contact with other intelligence in the cosmos. Dr. Douglas Vakoch is president of METI International, a nonprofit scientific organization that transmits powerful, intentional radio signals to nearby stars, in the hope of eliciting a reply. As an elected member of the International Astronomical Union and the International Institute for Space Law, he explores the scientific and societal dimensions of the Search for Extraterrestrial Intelligence, or SETI. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at

  • Earth-sized alien worlds are out there. Now, astronomers are figuring out how to detect life on them

    4:00

    To do so will require a purpose-built space telescope and a parasol the size of a baseball diamond. Learn more:

  • The truth is out there: The Milky Way could be home to 36 alien civilisations, say scientists

    2:00

    Scientists calculate there could be three dozen intelligent civilisations in our galaxy capable of communicating with us.

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  • Why Do We Imagine Aliens as Little Green Men?

    1:09

    But for many people, little green men means just one thing: extraterrestrial life. This description of alien beings — which are usually mischievous or even downright malevolent — has endured as a staple of science-fiction vocabulary for many decades, appearing in countless sci-fi stories, movies and television programs.

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