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Category: alien life

We’ve Been Searching for Aliens the Wrong Way. That’s All About To Change

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We’ve been looking for messages from the stars ever since Frank Drake pointed the Green Bank radio telescope at Tau Ceti and Epsilon Eridany 65 years ago. He saw nothing that couldn’t be explained by natural causes. Nor have the much more extensive SETI surveys conducted since. So, maybe there are no alien signals to see. Or maybe we need to update how we search for them. We have, after all, learned an awful lot since 1960—both about the galaxy and about observing the galaxy.

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Sign up for the mailing list to get episode notifications and hear special announcements! https://mailchi.mp/1a6eb8f2717d/space… the Entire Space Time Library Here: https://search.pbsspacetime.com/ Hosted by Matt O’Dowd Written by Matt O’Dowd Post Production by Leonardo Scholzer Directed by Andrew Kornhaber Associate Producer: Bahar Gholipour Executive Producer: Andrew Kornhaber Executive in Charge for PBS: Maribel Lopez Director of Programming for PBS: Gabrielle Ewing Assistant Director of Programming for PBS: Mike Martin Spacetime is a production of Kornhaber Brown for PBS Digital Studios. This program is produced by Kornhaber Brown, which is solely responsible for its content. © 2026 PBS. All rights reserved. End Credits Music by J.R.S. Schattenberg: / multidroideka Space Time Was Made Possible In Part By: Big Bang Alexander Tamas Filip Rolenec Juan Benet Kenneth See Mark Rosenthal Matthew Ocko Morgan Hough Peter Barrett Vinnie Falco Daniel Muzquiz Quasar Ethan Cohen Glenn Sugden Grace Biaelcki Justin Lloyd Mark Heising Rad Antonov Shaun Williams Stephen Wilcox Tristan Lucian Claudius Aurelius Tyacke Hypernova Alex Kern Ben Delo Chuck Zegar Dean Galvin Donal Botkin Gregory Forfa Jeff White John R. Slavik Massimiliano Pala PAUL C PEDERSEN Scott Gorlick Scott Gray Spencer Jones Vlad Shipulin Zachary Haberman Антон Кочков Gamma Ray Burst Alex Gan aaron pinto Almog Cohen Anthony Leon Arko Provo Mukherjee Ayden Miller Bradley Jenkins Bradley Ulis Brandon Lattin Brian Cook Chris Liao Christopher Wade Chuck Lukaszewski Collin Dutrow Craig Falls Craig Stonaha Dan Warren Daniel Donahue Daniel Jennings Darrell Stewart David Giltinan David Johnston Doyle Vann Eric Kiebler Eric Raschke Eric Schrenker Faraz Khan Frederic Simon gmmiddleton Harsh Khandhadia Isaac Suttell James Trimmier Jason Bowen Jeb Campbell Jeff Harris Jeremy Soller Jerry Thomas jim bartosh John Anderson John De Witt John Funai John H. Austin, Jr. Joseph Salomone Junaid Ali Kacper Cieśla Kane Holbrook Kent Durham Koen Wilde Kyle Atkinson Lori Ferris Marcelo Garcia Marion Lang Mark Daniel Cohen Mark Delagasse Matt Kaprocki Matt Quinn Matthew Johnson Michael Barton Michael Clark Michael Lev Michael Purcell Mikk Mihkel Nurges Nick Hoffenstoffer III Nicolas Katsantonis Onemind Param Saxena Paul Wood Rad Antonov Reuben Brewer Richard Steenbergen Robert DeChellis Ross Kennedy Ross Story Russell Moore SamSword Sandhya Devi Sean Owen Shane Calimlim SilentGnome Terje Vold Thomas Dougherty Todd J Lerner Tybie Fitzhugh Zac Sweers.

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Fermi Paradox: The Partial Galactic Colonization Hypothesis

An exploration of the idea of an indefinite partial colonization of a galaxy as a solution to the Fermi Paradox.

An exploration of the question of whether transhumanism, and the analogue in alien civilizations is in fact the great filter.

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The PROOF We’re In A Simulation Is Hiding In Plain Sight

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Welcome back to Impact Theory with Tom Bilyeu. In today’s episode, Tom Bilyeu dives deep into one of the most provocative questions facing science and philosophy: Do we really have free will, or are we all just highly sophisticated NPCs—non-player characters—running a program inside a vast, resource-efficient simulation? Drawing on groundbreaking neuroscience experiments, the story of Phineas Gage, quantum mechanics, and the work of leading thinkers like Robert Sapolsky, Tom Bilyeu challenges everything we think we know about choice, consciousness, and the true nature of reality.

But this isn’t an episode about nihilism. Instead, Tom Bilyeu reveals why embracing the truth of a stochastically deterministic universe can actually make life feel more meaningful, freeing us from the weight of the past and inspiring us to make the most of every moment—programmed or not. Get ready to question your assumptions and see the world from a whole new perspective.

00:00 — Intro.
01:38 — Part 1: It’s Biology All The Way Down.
14:22 — Part 2: Quantum Mechanics Bury the Notion of Free Will.
19:53 — Part 3: The Last Hiding Places of Free Will.
27:51 — Part 4: Why Being An NPC Is The Best News You’ll Ever Get.

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🚀 The Alien Civilizations That Chose Infinite Knowledge Instead of Space Travel

What if advanced alien civilizations achieved infinite knowledge not through space travel, but by harnessing the power of stars? This video explores how a type 2 civilization could repurpose a star into a giant computer, a concept tied to the kardashev scale and the theoretical dyson sphere. It’s a fascinating look into advanced future technology and the potential of artificial intelligence in the cosmos.

Where Are All The Alien Robots? The Chilling Idea Of Von Neumann Probes

As you know, I’m obsessed about the Fermi Paradox. Where are all the aliens? But an even stranger question is: where are all the robot aliens?

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Edited by: Chad Weber.
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If you’ve seen at least one other episode of the Guide to Space, you know I’m obsessed about the Fermi Paradox. This idea that the Universe is big and old, and should be teeming with life. And yet, we have no evidence that it exists out there.

We wonder, where are all the aliens?

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Insectoid Aliens — Hive Minds, Swarms, and Alien Evolution

Forget little green men — the galaxy’s most likely aliens may be hives and swarms. From biology to starships, insectoid life could shape civilizations stranger than ours.

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Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! https://isaac-arthur-shop.fourthwall… our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on Patreon: / isaacarthur Support us on Subscribestar: https://www.subscribestar.com/isaac-a… Facebook Group: / 1,583,992,725,237,264 Reddit: / isaacarthur Twitter: / isaac_a_arthur on Twitter and RT our future content. SFIA Discord Server: / discord Credits: Insectoid Aliens — Hive Minds, Swarms, and Alien Evolution Written, Produced & Narrated by: Isaac Arthur Editor: Thomas Owens Select imagery/video supplied by Getty Images Music Courtesy of Stellardrone & Music by Epidemic Sound: http://nebula.tv/epidemic Chapters 0:00 Intro 3:30 Hive Reproduction Strategy 6:10 Insectoid Evolutionary Paths 13:47 Signals in the Swarm 16:53 Sensory Worlds 18:13 Intelligence & Individuality in Hive Species 19:35 Privacy 22:08 Hive Architecture & Technology 20:54 Alien Ecology & Predators 23:21 Cultural & Political Models 24:31 Spacefaring Adaptations 25:52 Final Thoughts.

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Credits:
Insectoid Aliens — Hive Minds, Swarms, and Alien Evolution.
Written, Produced & Narrated by: Isaac Arthur.
Editor: Thomas Owens.
Select imagery/video supplied by Getty Images.
Music Courtesy of Stellardrone & Music by Epidemic Sound: http://nebula.tv/epidemic.

Chapters.
0:00 Intro.
3:30 Hive Reproduction Strategy.
6:10 Insectoid Evolutionary Paths.
13:47 Signals in the Swarm.
16:53 Sensory Worlds.
18:13 Intelligence & Individuality in Hive Species.
19:35 Privacy.
22:08 Hive Architecture & Technology.
20:54 Alien Ecology & Predators.
23:21 Cultural & Political Models.
24:31 Spacefaring Adaptations.
25:52 Final Thoughts

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