From giant O-stars to dim brown dwarfs, we rank every stellar class by how well they could host life, Dyson swarms, and advanced civilizations across cosmic time.

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Which Stars Could We Live Around? Ranking Every Type of Star
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images

Which Stars Could We Live Around? Ranking Every Type of Star (Narration Only)

Explore the hidden frontiers of the cosmos — from dark matter and rogue planets to quantum mysteries — and uncover the Universe’s greatest unopened gifts of discovery.

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The Universe’s Unopened Gifts: Hidden Worlds and the Spirit of Discovery
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images

The Universe’s Unopened Gifts: Hidden Worlds and the Spirit of Discovery (Narration Only)

The Universe’s Unopened Gifts: Hidden Worlds and the Spirit of Discovery

Stars won’t last forever, but civilizations might. Join us as we journey into the post-stellar future, where Dyson remnants, black holes, and exotic physics could sustain life long after the galaxies fade.

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Credits:
Post-Stellar Civilizations [Extended Edition]
Episode 475a; December 1, 2024
Produced, Narrated & Written: Isaac Arthur
Editor: Jonathan Maltz
Graphics: Jeremy Jozwik, Ken York YD Visual, Steve Bowers, Udo Schroeter
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Post Stellar Civilizations - Life After The Last Star Fades (Narration Only)

From frozen habitats to millennia-long journeys, we explore the science behind cryogenic arks and deep-time interstellar travel.

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Cryogenic Arks – Sleeping Through the Ages
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images
Music by Epidemic Sound: http://nebula.tv/epidemic & Stellardrone

Cryogenic Arks – Sleeping Through the Ages

How big could space habitats really get? From O’Neill cylinders to Ringworlds and Topopolises, we explore the true limits of megastructure scale.

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Credits:
How Big Could a Space Habitat Get?
Written, Produced & Narrated by:
Isaac Arthur
Editor: Tim Liusko
Graphics from Fishy Tree, Jarred Eagley, Jeremy Jozwik, J. Dixon, Ken York, Udo Schroeter
Music Courtesy of Chris Zabriskie & Stellardrone
Select imagery/video supplied by Getty Images
Music by Epidemic Sound: http://nebula.tv/epidemic & Stellardrone

How Big Could a Space Habitat Get? (Narration Only)

How Big Could a Space Habitat Get?

What if alien civilizations exist—but chose to hide? Exploring shadow empires, cosmic silence, and the limits of secrecy in space.

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Credits:
Hidden Alien Empires: Shadow Civilizations & Exostellar Realms
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images
Music by Epidemic Sound: http://nebula.tv/epidemic & Stellardrone

Hidden Alien Empires: Shadow Civilizations & Exostellar Realms (Narration Only)

Asteroid mines become mobile city-states. Explore how hollowed asteroids grow into sovereign habitats, economies, and civilizations.

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Credits:
Asteroid City States – Living in Mobile Habitats Powered by Resource Extraction
Written, Produced & Narrated by:
Isaac Arthur
Graphics from Bryan Versteeg, Fishy Tree,  Jeremy Jozwik
Music Courtesy of Chris Zabriskie & Stellardrone
Select imagery/video supplied by Getty Images
Music by Epidemic Sound: http://nebula.tv/epidemic & Stellardrone

Asteroid City States – Living in Mobile Habitats Powered by Resource Extraction (Narration Only)

Why is air the rarest and most crucial ingredient for life? We explore how atmospheres form, fail, and filter entire worlds—and how this shapes the Fermi Paradox and the search for alien civilizations.

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Credits:
Produced, Narrated & Written: Isaac Arthur
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

The Fermi Paradox: Air — Atmospheres as a Great Filter (Narration Only)

The Fermi Paradox ask us how in a Universe so vast and ancient we seem to be the only intelligent civilization around, with no older interstellar alien empires visible in the galaxy. But could extinction play a role in that, or might extinction events instead drive evolution forward?
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Credits:
The Fermi Paradox: Exctinction
Episode 204, Season 5 E37

Written by:
Isaac Arthur

Editors:
Darius Said
Jerry Guern
Keith Blockus
S. Kopperud

Cover Art:
Jakub Grygier https://www.artstation.com/jakub_grygier

Graphics by:
Bryan Versteeg http://spacehabs.com
Jarred Eagley
Jeremy Jozwik https://www.artstation.com/zeuxis_of_losdiajana
LegionTech Studios https://hades9.com
Sergio Botero https://www.artstation.com/sboterod?fref=gc
Tristan3D

Produced & Narrated by:
Isaac Arthur

Music Manager:
Luca DeRosa - lucaderosa2@live.com

Music:
Lombus, "Cosmic Soup" https://lombus.bandcamp.com
Aerium, "Farewell, photon" https://www.youtube.com/channel/UCRnUJY3l5vIJFGsY3XvW4dQ
Dan MacLeod, "Battle Formation" https://soundcloud.com/neptuneuk
Chris Zabriskie, "The Temperature of the Air on the Bow of the Kaleetan" http://chriszabriskie.com
Lombus, "Doppler Shores" https://lombus.bandcamp.com
Marcus Warner, "Ends of the Earth" https://marcuswarnermusic.bandcamp.com
Reign Pagaran, "Distant Voyager"

The Fermi Paradox: Extinction (Narration Only)

Isaac Arthur