

Science & Futurism with Isaac Arthur
Isaac Arthur
Science & Futurism with Isaac Arthur explores the long-term future of humanity through space exploration, advanced technology, and big-picture science. Each episode examines how civilization may grow beyond Earth—covering space colonization, megastructures, artificial intelligence, post-scarcity economies, and the physics that shape our future—grounded in real science and careful speculation.
Episodes
Mentioned books

Oct 5, 2025 • 24min
Solar Flares and Coronal Mass Ejections - Defending Earth from Our Own Star
Solar storms are inevitable; disaster isn’t. We explore the physics of flares and CMEs, historical extremes, and realistic defenses—detection, delay, and planetary-scale shielding—to weather the Sun’s worst days.Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cyclesGet 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:Solar Flares and Coronal Mass Ejections - Defending Earth from Our Own StarWritten, Produced & Narrated by: Isaac ArthurGraphics: Mafic Studios, Sergio BoteroSelect 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.

Oct 5, 2025 • 23min
Solar Flares and Coronal Mass Ejections - Defending Earth from Our Own Star (Narration Only)
Solar storms are inevitable; disaster isn’t. We explore the physics of flares and CMEs, historical extremes, and realistic defenses—detection, delay, and planetary-scale shielding—to weather the Sun’s worst days.Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cyclesGet 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:Solar Flares and Coronal Mass Ejections - Defending Earth from Our Own StarWritten, Produced & Narrated by: Isaac ArthurGraphics: Mafic Studios, Sergio BoteroSelect 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.

Oct 2, 2025 • 31min
After Mars - 8 Candidates For Where Humanity Should Go Next
Mars may be humanity’s next great home—but it’s not the finish line. From floating cities above Venus to mining Mercury and the Asteroid Belt, to building bases on the Jovian moons and Titan, we explore which destinations might follow Mars and how each could shape our future in space.Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cyclesGet 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.Join this channel to get access to perks:https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/joinVisit 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/53GAShEChapters0:00 Intro2:02 Why the Moon Should Come First3:47 Candidate #1: Near-Earth Asteroids (NEAs)7:52 Candidate #2: Venus11:35 Candidate #3: Mercury15:16 Candidate #4: Lagrange Points & Earth-Orbit Infrastructure17:51 Candidate #5: Jovian Moons20:26 Nebula22:06 Candidate #6: Titan (Saturn’s Moon)23:46 Candidate #7: The Asteroid Belt25:44 Candidate #8: Comet Mining & Outer System Expansion27:56 Cross-Support: Who Helps Whom?See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Oct 2, 2025 • 31min
After Mars - 8 Candidates For Where Humanity Should Go Next (Narration Only)
Humanity's venture beyond Mars is explored with fascinating alternatives. The Moon serves as a crucial launchpad for upcoming missions. Near-Earth Asteroids could be key resource hubs due to their accessibility. Meanwhile, floating cities in Venus' atmosphere promise intriguing possibilities despite engineering challenges. Mercury’s solar energy and metal abundance position it as an industrial powerhouse. The potential of Jovian moons and Titan for resources adds to the excitement, alongside the vast opportunities in the Asteroid Belt.

Sep 30, 2025 • 12min
New Dwarf Planet Discovered: A Minor Planet With a Major Future?
The discovery of 2017 OF201 reminds us that even small worlds can hold vast potential — not just as frozen orbs, but as stepping stones for interstellar civilization.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:New Dwarf Planet Discovered: A Minor Planet With a Major Future?Written, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images Chapters0:00 Intro1:11 What Counts as a Dwarf Planet?3:47 The New Arrival: 2017 OF2014:47 From Iceball to Megastructure6:03 Waypoint to the Stars8:38 Lessons from Pluto and the Dwarf Planet Census9:43 Engineering Challenges & Opportunities10:50 Extrapolating the FrontierSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Sep 30, 2025 • 12min
New Dwarf Planet Discovered: A Minor Planet With a Major Future? (Narration Only)
The discovery of 2017 OF201 reminds us that even small worlds can hold vast potential — not just as frozen orbs, but as stepping stones for interstellar civilization.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:New Dwarf Planet Discovered: A Minor Planet With a Major Future?Written, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images Chapters0:00 Intro1:11 What Counts as a Dwarf Planet?3:47 The New Arrival: 2017 OF2014:47 From Iceball to Megastructure6:03 Waypoint to the Stars8:38 Lessons from Pluto and the Dwarf Planet Census9:43 Engineering Challenges & Opportunities10:50 Extrapolating the FrontierSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Sep 28, 2025 • 37min
Exploring The Multiverse (Narration Only)
The universe is beyond immense, and yet it might be nothing more than a tiny dot beside the rest of reality.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:Exploring The MultiverseOriginally aired as Episode 462b; September 1, 2024 Produced, Written & Narrated by: Isaac ArthurEditors: Thomas OwensSelect imagery/video supplied by Getty ImagesMusic Courtesy of Epidemic Sound http://epidemicsound.com/creatorStellardrone, "Red Giant", "Ultra Deep Field"Sergey Cheremisinov, "Labyrinth", "Forgotten Stars"Taras Harkavyi, "Alpha and ..."See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Sep 28, 2025 • 38min
Exploring The Multiverse
The universe is beyond immense, and yet it might be nothing more than a tiny dot beside the rest of reality.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:Exploring The MultiverseOriginally aired as Episode 462b; September 1, 2024 Produced, Written & Narrated by: Isaac ArthurEditors: Thomas OwensSelect imagery/video supplied by Getty ImagesMusic Courtesy of Epidemic Sound http://epidemicsound.com/creatorStellardrone, "Red Giant", "Ultra Deep Field"Sergey Cheremisinov, "Labyrinth", "Forgotten Stars"Taras Harkavyi, "Alpha and ..."See 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 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.


