

Science & Futurism with Isaac Arthur
Isaac Arthur
Science & Futurism with Isaac Arthur explores humanity’s long-term future through space exploration, advanced technology, and big-picture science. Hosted by National Space Society President Isaac Arthur, each episode uses real science and careful speculation to examine space colonization, megastructures, artificial intelligence, post-scarcity economies, and the physics shaping civilization beyond Earth.
Episodes
Mentioned books

Feb 5, 2026 • 27min
Deep Space Habitats – Designing Self-Sustaining Biomes for Interstellar Journeys
How and why would humans live far from stars? Explore deep space habitats, artificial suns, megastructures, and life beyond planetary systems.🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/🌐 Visit our Website: http://www.isaacarthur.net🎬 Join Nebula: https://go.nebula.tv/isaacarthur❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur👥 Facebook Group: https://www.facebook.com/groups/1583992725237264/📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur💬 SFIA Discord Server: https://discord.gg/53GAShECredits:Deep Space Habitats – Designing Self-Sustaining Biomes for Interstellar JourneysWritten, Produced & Narrated by:Isaac ArthurGraphics from Bryan Versteeg, Fishy Tree, Jeremy Jozwik, Katie Byrne, Ken York, Melänovis, Udo SchroeterMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty ImagesSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Feb 5, 2026 • 26min
Deep Space Habitats – Designing Self-Sustaining Biomes for Interstellar Journeys (Narration Only)
How and why would humans live far from stars? Explore deep space habitats, artificial suns, megastructures, and life beyond planetary systems.🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/🌐 Visit our Website: http://www.isaacarthur.net🎬 Join Nebula: https://go.nebula.tv/isaacarthur❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur👥 Facebook Group: https://www.facebook.com/groups/1583992725237264/📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur💬 SFIA Discord Server: https://discord.gg/53GAShECredits:Deep Space Habitats – Designing Self-Sustaining Biomes for Interstellar JourneysWritten, Produced & Narrated by:Isaac ArthurGraphics from Bryan Versteeg, Fishy Tree, Jeremy Jozwik, Katie Byrne, Ken York, Melänovis, Udo SchroeterMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty ImagesSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Feb 1, 2026 • 26min
Plasma Based Lifeforms - Could Creatures of Fire and Lightning Exist?
Could life exist as plasma or lightning? Explore plasma-based aliens, fire creatures, and exotic physics beyond chemistry.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video The Future of Interstellar Communication: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology🚀 Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/🌐 Visit our Website: http://www.isaacarthur.net❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur👥 Facebook Group: https://www.facebook.com/groups/1583992725237264/📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur💬 SFIA Discord Server: https://discord.gg/53GAShECredits:Plasma Based Lifeforms - Could Creatures of Fire and Lightning Exist?Written, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty ImagesMusic Courtesy of StellardroneChapters0:00 Intro1:33 What Is Plasma Life, Really?4:00 Freeman Dyson’s Proposal – Fire-Based Ecology in Gas Giants4:55 Feinberg & Shapiro’s Plasmoid Life – Magnetic Creatures in Stars5:57 Forbidden Planet – The Krell and the Monster From the Id7:09 Fire-Life on Rocky Worlds9:14 Lightning Beings: Storm-Life on Gas Giants16:11 Plasma Life in Stars and the Cosmic Expanse21:24 Nebula22:32 What Plasma Life Would Mean for UsSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Feb 1, 2026 • 26min
Plasma Based Lifeforms - Could Creatures of Fire and Lightning Exist? (Narration Only)
Could life exist as plasma or lightning? Explore plasma-based aliens, fire creatures, and exotic physics beyond chemistry.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video The Future of Interstellar Communication: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology🚀 Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/🌐 Visit our Website: http://www.isaacarthur.net❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur👥 Facebook Group: https://www.facebook.com/groups/1583992725237264/📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur💬 SFIA Discord Server: https://discord.gg/53GAShECredits:Plasma Based Lifeforms - Could Creatures of Fire and Lightning Exist?Written, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty ImagesMusic Courtesy of StellardroneChapters0:00 Intro1:33 What Is Plasma Life, Really?4:00 Freeman Dyson’s Proposal – Fire-Based Ecology in Gas Giants4:55 Feinberg & Shapiro’s Plasmoid Life – Magnetic Creatures in Stars5:57 Forbidden Planet – The Krell and the Monster From the Id7:09 Fire-Life on Rocky Worlds9:14 Lightning Beings: Storm-Life on Gas Giants16:11 Plasma Life in Stars and the Cosmic Expanse21:24 Nebula22:32 What Plasma Life Would Mean for UsSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Jan 29, 2026 • 26min
Does Humanity Need To Be Unified To Survive and Settle Space? (Narration Only)
Must humanity unite to colonize space, or can rivalry and diversity be our greatest strengths among the stars?Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurCheck out Mad Kings: https://nebula.tv/madkings?ref=isaacarthurWatch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology🚀 Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/🌐 Visit our Website: http://www.isaacarthur.net❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur👥 Facebook Group: https://www.facebook.com/groups/1583992725237264/📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur💬 SFIA Discord Server: https://discord.gg/53GAShECredits:Does Humanity Need To Be Unified To Survive and Settle Space?Written, Produced & Narrated by: Isaac ArthurEditors: Donagh BroderickSelect imagery/video supplied by Getty ImagesMusic by Epidemic Sound: http://nebula.tv/epidemic & StellardroneSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Jan 29, 2026 • 26min
Does Humanity Need To Be Unified To Survive and Settle Space?
Must humanity unite to colonize space, or can rivalry and diversity be our greatest strengths among the stars?Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurCheck out Mad Kings: https://nebula.tv/madkings?ref=isaacarthurWatch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology🚀 Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/🌐 Visit our Website: http://www.isaacarthur.net❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur👥 Facebook Group: https://www.facebook.com/groups/1583992725237264/📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur💬 SFIA Discord Server: https://discord.gg/53GAShECredits:Does Humanity Need To Be Unified To Survive and Settle Space?Written, Produced & Narrated by: Isaac ArthurEditors: Donagh BroderickSelect imagery/video supplied by Getty ImagesMusic by Epidemic Sound: http://nebula.tv/epidemic & StellardroneSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Jan 27, 2026 • 38min
The Fermi Paradox: Air — Atmospheres as a Great Filter (Narration Only)
A deep dive into how atmospheres form, fail, and shape planetary habitability. Covers atmospheric roles beyond breathing, from radiation shielding to stabilizing liquid water. Explains loss mechanisms like solar wind and chemical sequestration, and how gravity and magnetospheres help retain air. Contrasts Venus and Mars, explores timing for life, and considers how stars and technology can alter atmospheres.

Jan 27, 2026 • 38min
The Fermi Paradox: Air — Atmospheres as a Great Filter
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.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurCheck out Joe Scott's Oldest & Newest: https://nebula.tv/videos/joescott-oldest-and-newest-places-on-earth?ref=isaacarthurWatch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology🚀 Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/🌐 Visit our Website: http://www.isaacarthur.net❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur👥 Facebook Group: https://www.facebook.com/groups/1583992725237264/📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur💬 SFIA Discord Server: https://discord.gg/53GAShECredits:Produced, Narrated & Written: Isaac ArthurSelect imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creatorSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Jan 22, 2026 • 31min
Asteroid City States – Living in Mobile Habitats Powered by Resource Extraction
Asteroid mines become mobile city-states. Explore how hollowed asteroids grow into sovereign habitats, economies, and civilizations.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurCheck out Mad Kings: https://nebula.tv/madkings?ref=isaacarthurWatch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology🚀 Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/🌐 Visit our Website: http://www.isaacarthur.net❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur👥 Facebook Group: https://www.facebook.com/groups/1583992725237264/📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur💬 SFIA Discord Server: https://discord.gg/53GAShECredits:Asteroid City States – Living in Mobile Habitats Powered by Resource ExtractionWritten, Produced & Narrated by:Isaac ArthurGraphics from Bryan Versteeg, Fishy Tree, Jeremy JozwikMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty ImagesMusic by Epidemic Sound: http://nebula.tv/epidemic & StellardroneSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Jan 22, 2026 • 31min
Asteroid City States – Living in Mobile Habitats Powered by Resource Extraction (Narration Only)
Asteroid mines become mobile city-states. Explore how hollowed asteroids grow into sovereign habitats, economies, and civilizations.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurCheck out Mad Kings: https://nebula.tv/madkings?ref=isaacarthurWatch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology🚀 Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/🌐 Visit our Website: http://www.isaacarthur.net❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur👥 Facebook Group: https://www.facebook.com/groups/1583992725237264/📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur💬 SFIA Discord Server: https://discord.gg/53GAShECredits:Asteroid City States – Living in Mobile Habitats Powered by Resource ExtractionWritten, Produced & Narrated by:Isaac ArthurGraphics from Bryan Versteeg, Fishy Tree, Jeremy JozwikMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty ImagesMusic by Epidemic Sound: http://nebula.tv/epidemic & StellardroneSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.


