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/158399272...
Feb 05, 2026•27 min•Ep. 816
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/158399272...
Feb 05, 2026•26 min•Ep. 816
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/isaacarthur Watch 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: h...
Feb 01, 2026•26 min•Ep. 815
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/isaacarthur Watch 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: h...
Feb 01, 2026•26 min•Ep. 815
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/isaacarthur Check out Mad Kings: https://nebula.tv/madkings?ref=isaacarthur Watch 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/UCZFipeZtQM5CKUjx6grh54...
Jan 29, 2026•26 min•Ep. 813
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/isaacarthur Check out Mad Kings: https://nebula.tv/madkings?ref=isaacarthur Watch 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/UCZFipeZtQM5CKUjx6grh54...
Jan 29, 2026•26 min•Ep. 813
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/isaacarthur Check out Joe Scott's Oldest & Newest: https://nebula.tv/videos/joescott-oldest-and-newest-places-on-earth?ref=isaacarthur Watch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacart...
Jan 27, 2026•38 min•Ep. 812
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/isaacarthur Check out Joe Scott's Oldest & Newest: https://nebula.tv/videos/joescott-oldest-and-newest-places-on-earth?ref=isaacarthur Watch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacart...
Jan 27, 2026•38 min•Ep. 812
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/isaacarthur Check out Mad Kings: https://nebula.tv/madkings?ref=isaacarthur Watch 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/U...
Jan 22, 2026•31 min•Ep. 811
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/isaacarthur Check out Mad Kings: https://nebula.tv/madkings?ref=isaacarthur Watch 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/U...
Jan 22, 2026•31 min•Ep. 811
What if alien civilizations exist—but chose to hide? Exploring shadow empires, cosmic silence, and the limits of secrecy in space. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Mad Kings: https://nebula.tv/madkings?ref=isaacarthur Watch 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/UCZ...
Jan 18, 2026•31 min•Ep. 809
What if alien civilizations exist—but chose to hide? Exploring shadow empires, cosmic silence, and the limits of secrecy in space. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Mad Kings: https://nebula.tv/madkings?ref=isaacarthur Watch 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/UCZ...
Jan 18, 2026•31 min•Ep. 809
How big could space habitats really get? From O’Neill cylinders to Ringworlds and Topopolises, we explore the true limits of megastructure scale. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch 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: h...
Jan 15, 2026•33 min•Ep. 808
How big could space habitats really get? From O’Neill cylinders to Ringworlds and Topopolises, we explore the true limits of megastructure scale. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch 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: h...
Jan 15, 2026•33 min•Ep. 808
Are we here by design, chance, or selection bias? The Anthropic Principle, fine-tuning, doomsday math, and Boltzmann brains. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Joe Scott's Oldest & Newest: https://nebula.tv/videos/joescott-oldest-and-newest-places-on-earth?ref=isaacarthur Watch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology 🚀 Join this channel to...
Jan 11, 2026•28 min•Ep. 807
Are we here by design, chance, or selection bias? The Anthropic Principle, fine-tuning, doomsday math, and Boltzmann brains. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Joe Scott's Oldest & Newest: https://nebula.tv/videos/joescott-oldest-and-newest-places-on-earth?ref=isaacarthur Watch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology 🚀 Join this channel to...
Jan 11, 2026•29 min•Ep. 807
From frozen habitats to millennia-long journeys, we explore the science behind cryogenic arks and deep-time interstellar travel. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Joe Scott's Oldest & Newest: https://nebula.tv/videos/joescott-oldest-and-newest-places-on-earth Watch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology Grab one of our new SFIA mugs and m...
Jan 08, 2026•39 min•Ep. 806
From frozen habitats to millennia-long journeys, we explore the science behind cryogenic arks and deep-time interstellar travel. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Joe Scott's Oldest & Newest: https://nebula.tv/videos/joescott-oldest-and-newest-places-on-earth Watch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology Grab one of our new SFIA mugs and m...
Jan 08, 2026•38 min•Ep. 806
Are Berserker probes hunting advanced life? Exploring the deadliest Fermi Paradox solution. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Mad Kings: https://nebula.tv/madkings Watch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on Patreon: https://www.patreon....
Jan 04, 2026•33 min•Ep. 805
Are Berserker probes hunting advanced life? Exploring the deadliest Fermi Paradox solution. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Mad Kings: https://nebula.tv/madkings Watch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on Patreon: https://www.patreon....
Jan 04, 2026•33 min•Ep. 805
Five sci-fi technologies becoming real today, from BCIs to space elevators. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Joe Scott's Oldest & Newest: https://nebula.tv/videos/joescott-oldest-and-newest-places-on-earth Watch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — av...
Jan 01, 2026•33 min•Ep. 804
Five sci-fi technologies becoming real today, from BCIs to space elevators. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Joe Scott's Oldest & Newest: https://nebula.tv/videos/joescott-oldest-and-newest-places-on-earth Watch my exclusive video Chronoengineering: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — av...
Jan 01, 2026•33 min•Ep. 804
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. Watch my exclusive video Rogue AI Empires: https://nebula.tv/videos/isaacarthur-rogue-ai-empires-when-machines-expand-without-us Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.n...
Dec 28, 2025•40 min•Ep. 802
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. Watch my exclusive video Rogue AI Empires: https://nebula.tv/videos/isaacarthur-rogue-ai-empires-when-machines-expand-without-us Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.n...
Dec 28, 2025•40 min•Ep. 802
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. Watch my exclusive video Rogue AI Empires: https://nebula.tv/videos/isaacarthur-rogue-ai-empires-when-machines-expand-without-us Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fo...
Dec 25, 2025•24 min•Ep. 801
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. Watch my exclusive video Rogue AI Empires: https://nebula.tv/videos/isaacarthur-rogue-ai-empires-when-machines-expand-without-us Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fo...
Dec 25, 2025•24 min•Ep. 801
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. Watch my exclusive video Rogue AI Empires: https://nebula.tv/videos/isaacarthur-rogue-ai-empires-when-machines-expand-without-us Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthw...
Dec 23, 2025•34 min•Ep. 800
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. Watch my exclusive video Rogue AI Empires: https://nebula.tv/videos/isaacarthur-rogue-ai-empires-when-machines-expand-without-us Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthw...
Dec 23, 2025•34 min•Ep. 800
Does the Universe stay quiet because alien species burn through fossil fuels and collapse? We explore alternative energy paths and ask if civilizations are doomed by geology. Go to the link: https://imprintapp.com/isaacarthur to get 25% off an annual membership 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.com/ Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.n...
Dec 21, 2025•30 min•Ep. 799
Does the Universe stay quiet because alien species burn through fossil fuels and collapse? We explore alternative energy paths and ask if civilizations are doomed by geology. Go to the link: https://imprintapp.com/isaacarthur to get 25% off an annual membership 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.com/ Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.n...
Dec 21, 2025•29 min•Ep. 799
