

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

Sep 25, 2025 • 32min
Orbital Foundries & Zero-G Manufacturing - Building in Space
Gravity has always shackled industry, but orbit frees us to build in ways Earth never allowed. This episode explores the rise of orbital foundries and the industries they unlock.Support us on Patreon: https://www.patreon.com/IsaacArthurSupport us on Subscribestar: https://www.subscribestar.com/isaac-arthurFacebook Group: https://www.facebook.com/groups/1583992725237264/Reddit: https://www.reddit.com/r/IsaacArthur/Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.SFIA Discord Server: https://discord.gg/53GAShECredits:Orbital Foundries & Zero-G Manufacturing: Building in SpaceWritten, Produced & Narrated by: Isaac ArthurGraphics: Jeremy Jozwik, Ken York, Udo SchroeterSelect imagery/video supplied by Getty Images Music Courtesy of Aerium, Stellardrone, Chris Zabriskie, and 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.

Sep 25, 2025 • 32min
Orbital Foundries & Zero-G Manufacturing - Building in Space (Narration Only)
Gravity has always shackled industry, but orbit frees us to build in ways Earth never allowed. This episode explores the rise of orbital foundries and the industries they unlock.Support us on Patreon: https://www.patreon.com/IsaacArthurSupport us on Subscribestar: https://www.subscribestar.com/isaac-arthurFacebook Group: https://www.facebook.com/groups/1583992725237264/Reddit: https://www.reddit.com/r/IsaacArthur/Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.SFIA Discord Server: https://discord.gg/53GAShECredits:Orbital Foundries & Zero-G Manufacturing: Building in SpaceWritten, Produced & Narrated by: Isaac ArthurGraphics: Jeremy Jozwik, Ken York, Udo SchroeterSelect imagery/video supplied by Getty Images Music Courtesy of Aerium, Stellardrone, Chris Zabriskie, and 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.

Sep 23, 2025 • 27min
Is 3I/ATLAS an Alien Artifact?
3I/ATLAS is only the third interstellar object we’ve ever seen — but could it really be an alien artifact, or just another comet with unusual traits?Watch my exclusive video The Economics of Immortality: https://nebula.tv/videos/isaacarthur-the-economics-of-immortalityGet Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthurGet a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthurUse the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.Visit our Website: http://www.isaacarthur.netJoin Nebula: https://go.nebula.tv/isaacarthurSupport us on Patreon: https://www.patreon.com/IsaacArthurSupport us on Subscribestar: https://www.subscribestar.com/isaac-arthurFacebook Group: https://www.facebook.com/groups/1583992725237264/Reddit: https://www.reddit.com/r/IsaacArthur/Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.SFIA Discord Server: https://discord.gg/53GAShECredits:Is 3I/ATLAS an Alien Artifact?Written, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images Music Courtesy of Chris Zabriskie, StellardroneSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Sep 23, 2025 • 27min
Is 3I/ATLAS an Alien Artifact? (Narration Only)
3I/ATLAS is only the third interstellar object we’ve ever seen — but could it really be an alien artifact, or just another comet with unusual traits?Any comments, corrections, or thoughts on the video? email Isaac.Arthur.Utube@gmail.comVisit our Website: http://www.isaacarthur.netJoin Nebula: https://go.nebula.tv/isaacarthurSupport us on Patreon: https://www.patreon.com/IsaacArthurSupport us on Subscribestar: https://www.subscribestar.com/isaac-arthurFacebook Group: https://www.facebook.com/groups/1583992725237264/Reddit: https://www.reddit.com/r/IsaacArthur/Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.SFIA Discord Server: https://discord.gg/53GAShECredits:Is 3I/ATLAS an Alien Artifact?Written, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images Music Courtesy of Chris Zabriskie, StellardroneSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Sep 20, 2025 • 26min
Life in Methane Oceans: Could Aliens Evolve on Titan-like Worlds?
Could life thrive in seas of methane instead of water? We explore Titan-like worlds and the alien ecosystems they might harbor.Watch my exclusive video The Economics of Immortality: https://nebula.tv/videos/isaacarthur-the-economics-of-immortalityGet Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthurGet a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthurUse the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.Visit our Website: http://www.isaacarthur.netJoin Nebula: https://go.nebula.tv/isaacarthurSupport us on Patreon: https://www.patreon.com/IsaacArthurSupport us on Subscribestar: https://www.subscribestar.com/isaac-arthurFacebook Group: https://www.facebook.com/groups/1583992725237264/Reddit: https://www.reddit.com/r/IsaacArthur/Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.SFIA Discord Server: https://discord.gg/53GAShECredits:Life in Methane Oceans: Could Aliens Evolve on Titan-like Worlds?Written, Produced & Narrated by: Isaac ArthurEditors: Thomas Owens & Lukas KonecnySelect imagery/video supplied by Getty Images Music Courtesy of Stellardrone and 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.

Sep 20, 2025 • 25min
Life in Methane Oceans: Could Aliens Evolve on Titan-like Worlds? (Narration Only)
Could life thrive in seas of methane instead of water? We explore Titan-like worlds and the alien ecosystems they might harbor.Watch my exclusive video The Economics of Immortality: https://nebula.tv/videos/isaacarthur-the-economics-of-immortalityGet Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthurGet a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthurUse the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.Visit our Website: http://www.isaacarthur.netJoin Nebula: https://go.nebula.tv/isaacarthurSupport us on Patreon: https://www.patreon.com/IsaacArthurSupport us on Subscribestar: https://www.subscribestar.com/isaac-arthurFacebook Group: https://www.facebook.com/groups/1583992725237264/Reddit: https://www.reddit.com/r/IsaacArthur/Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.SFIA Discord Server: https://discord.gg/53GAShECredits:Life in Methane Oceans: Could Aliens Evolve on Titan-like Worlds?Written, Produced & Narrated by: Isaac ArthurEditors: Thomas Owens & Lukas KonecnySelect imagery/video supplied by Getty Images Music Courtesy of Stellardrone and 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.

Sep 18, 2025 • 38min
Space Habitat Clusters & Conglomerations (Narration Only)
Space isn’t just for lonely colonies—it’s for communities. Join us as we imagine constellations of space habitats bound by tethers, trade, and trust, building not just homes in the stars but entire civilizations.Watch my exclusive video The Economics of Immortality: https://nebula.tv/videos/isaacarthur-the-economics-of-immortalityGet Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthurGet a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthurUse the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.Visit our Website: http://www.isaacarthur.netJoin Nebula: https://go.nebula.tv/isaacarthurSupport us on Patreon: https://www.patreon.com/IsaacArthurSupport us on Subscribestar: https://www.subscribestar.com/isaac-arthurFacebook Group: https://www.facebook.com/groups/1583992725237264/Reddit: https://www.reddit.com/r/IsaacArthur/Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.SFIA Discord Server: https://discord.gg/53GAShECredits:Space Habitat Clusters & ConglomerationsWritten, Produced & Narrated by: Isaac ArthurGraphics: Jarred Eagley, Jeremy Jozwik, Udo SchroeterSelect imagery/video supplied by Getty Images Music Courtesy of Stellardrone and 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.

Sep 18, 2025 • 38min
Space Habitat Clusters & Conglomerations
Space isn’t just for lonely colonies—it’s for communities. Join us as we imagine constellations of space habitats bound by tethers, trade, and trust, building not just homes in the stars but entire civilizations.Watch my exclusive video The Economics of Immortality: https://nebula.tv/videos/isaacarthur-the-economics-of-immortalityGet Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthurGet a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthurUse the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.Visit our Website: http://www.isaacarthur.netJoin Nebula: https://go.nebula.tv/isaacarthurSupport us on Patreon: https://www.patreon.com/IsaacArthurSupport us on Subscribestar: https://www.subscribestar.com/isaac-arthurFacebook Group: https://www.facebook.com/groups/1583992725237264/Reddit: https://www.reddit.com/r/IsaacArthur/Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.SFIA Discord Server: https://discord.gg/53GAShECredits:Space Habitat Clusters & ConglomerationsWritten, Produced & Narrated by: Isaac ArthurGraphics: Jarred Eagley, Jeremy Jozwik, Udo SchroeterSelect imagery/video supplied by Getty Images Music Courtesy of Stellardrone and 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.

Sep 16, 2025 • 12min
Life on Mars? Perseverance’s Sapphire Canyon Discovery (Narration Only)
NASA’s Perseverance rover may have found the best hint yet of Martian life — strange minerals in Jezero Crater that could be microbial fingerprints… or just clever geology.Any comments, corrections, or thoughts on the video? email Isaac.Arthur.Utube@gmail.comVisit our Website: http://www.isaacarthur.netJoin Nebula: https://go.nebula.tv/isaacarthurSupport us on Patreon: https://www.patreon.com/IsaacArthurSupport us on Subscribestar: https://www.subscribestar.com/isaac-arthurFacebook Group: https://www.facebook.com/groups/1583992725237264/Reddit: https://www.reddit.com/r/IsaacArthur/Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.SFIA Discord Server: https://discord.gg/53GAShECredits:Life on Mars: Perseverance’s Sapphire Canyon DiscoveryWritten, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images Music Courtesy of Chris ZabriskieSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Sep 16, 2025 • 13min
Life on Mars? Perseverance’s Sapphire Canyon Discovery
NASA’s Perseverance rover may have found the best hint yet of Martian life — strange minerals in Jezero Crater that could be microbial fingerprints… or just clever geology.Any comments, corrections, or thoughts on the video? email Isaac.Arthur.Utube@gmail.comVisit our Website: http://www.isaacarthur.netJoin Nebula: https://go.nebula.tv/isaacarthurSupport us on Patreon: https://www.patreon.com/IsaacArthurSupport us on Subscribestar: https://www.subscribestar.com/isaac-arthurFacebook Group: https://www.facebook.com/groups/1583992725237264/Reddit: https://www.reddit.com/r/IsaacArthur/Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.SFIA Discord Server: https://discord.gg/53GAShECredits:Life on Mars: Perseverance’s Sapphire Canyon DiscoveryWritten, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images Music Courtesy of Chris ZabriskieSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.


