Isaac Arthur

Science & Futurism with Isaac Arthur

Science EN ↓ 1224 episodes

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.

Author

Isaac Arthur

Category

Science

Podcast website

art19.com

Latest episode

Jul 9, 2026

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Episodes

Exiled Space Colonies (Narration Only) 16.03.2025

When exile—not exploration—becomes the driving force behind space colonization, what kind of civilizations will emerge? In this episode, we explore the forces that might send humanity’s unwanted, rebellious, or idealistic factions into the void, and what fate awaits them among the stars. Go to https://buyraycon.com/isaacarthur to get 20% off the best-selling Everyday Earbuds! Brought to you by Ray...

Hammer Habs & Tethered Space Habitats (Narration Only) 13.03.2025

How do we create artificial gravity in space without massive space stations? Today, we explore hammer habitats and tethered space habitats—ingenious designs that could revolutionize life beyond Earth. Watch my exclusive video The End of Science https://nebula.tv/videos/isaacarthur-the-end-of-science Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a...

Hammer Habs & Tethered Space Habitats 13.03.2025

How do we create artificial gravity in space without massive space stations? Today, we explore hammer habitats and tethered space habitats—ingenious designs that could revolutionize life beyond Earth. Watch my exclusive video The End of Science https://nebula.tv/videos/isaacarthur-the-end-of-science Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a...

Buzz Aldrin's Cyclers - A Safe Spaceship To Mars And Beyond 10.03.2025

Buzz Aldrin’s legacy extends far beyond his historic steps on the Moon. As a visionary engineer and space advocate, he pioneered the concept of the Aldrin Cycler, a revolutionary spacecraft trajectory that could enable safe, efficient, and cost-effective missions to Mars and beyond. In this episode, we explore how cycler spacecraft function, their potential to transform interplanetary travel, and...

Buzz Aldrin's Cyclers - A Safe Spaceship To Mars And Beyond (Narration Only) 10.03.2025

Buzz Aldrin’s legacy extends far beyond his historic steps on the Moon. As a visionary engineer and space advocate, he pioneered the concept of the Aldrin Cycler, a revolutionary spacecraft trajectory that could enable safe, efficient, and cost-effective missions to Mars and beyond. In this episode, we explore how cycler spacecraft function, their potential to transform interplanetary travel, and...

Methuselah Civilizations: A Society of the Ageless 06.03.2025

If civilizations can endure for eons and people can live indefinitely, what drives progress, ambition, and purpose in a world where time has no limit? Would an ageless society be a utopia of infinite wisdom, or a stagnating empire struggling to keep ambition alive across the centuries? Watch my exclusive video The End of Science https://nebula.tv/videos/isaacarthur-the-end-of-science Get Nebula us...

Methuselah Civilizations (Narration Only) 06.03.2025

If civilizations can endure for eons and people can live indefinitely, what drives progress, ambition, and purpose in a world where time has no limit? Would an ageless society be a utopia of infinite wisdom, or a stagnating empire struggling to keep ambition alive across the centuries? Watch my exclusive video The End of Science https://nebula.tv/videos/isaacarthur-the-end-of-science Get Nebula us...

Skyhooks, Rotovators & Space Ladders (Narration Only) 02.03.2025

Discover the groundbreaking physics behind skyhooks, rotovators, and space ladders, and how they could revolutionize space travel in the near future. Watch my exclusive video The End of Science https://nebula.tv/videos/isaacarthur-the-end-of-science Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https...

Skyhooks, Rotovators & Space Ladders: Lifting Humanity To The Stars Without Rockets 02.03.2025

Discover the groundbreaking physics behind skyhooks, rotovators, and space ladders, and how they could revolutionize space travel in the near future. Watch my exclusive video The End of Science https://nebula.tv/videos/isaacarthur-the-end-of-science Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https...

Gravity Tech: The Power To Reshape Our Civilization... And The Cosmos Themselves 27.02.2025

Gravity shapes our universe, but could we one day shape gravity? Join us as we explore the possibilities of gravity technology, from artificial gravity and interstellar travel to terraforming and cosmic engineering. Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur-big-alien-theory Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaaca...

Gravity Tech: The Power To Reshape Our Civilization... And The Cosmos Themselves (Narration Only) 27.02.2025

Gravity shapes our universe, but could we one day shape gravity? Join us as we explore the possibilities of gravity technology, from artificial gravity and interstellar travel to terraforming and cosmic engineering. Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur-big-alien-theory Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaaca...

Topopolis: The Eternal River Space Habitat 23.02.2025

Imagine a world stretched along a single, endless river inside a colossal space megastructure. Explore the fascinating concept of the Topopolis, a futuristic habitat billions of miles long, where humanity might thrive in a sprawling civilization bound by physics, engineering, and imagination. Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur-big-alien-theory Get Nebula...

Topopolis: The Eternal River Space Habitat (Narration Only) 23.02.2025

Imagine a world stretched along a single, endless river inside a colossal space megastructure. Explore the fascinating concept of the Topopolis, a futuristic habitat billions of miles long, where humanity might thrive in a sprawling civilization bound by physics, engineering, and imagination. Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur-big-alien-theory Get Nebula...

Black Sun Rising: Living On A Planet Around A Black Hole 20.02.2025

Could a planet orbiting a black hole sustain life? We dive into the challenges and wonders of living in such an extreme cosmic environment. Discover what it might be like to live near a black hole, where time slows, gravity warps, and the universe takes on a truly alien form. Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur-big-alien-theory Get Nebula using my link fo...

Black Sun Rising: Living On A Planet Around A Black Hole (Narration Only) 20.02.2025

Could a planet orbiting a black hole sustain life? We dive into the challenges and wonders of living in such an extreme cosmic environment. Discover what it might be like to live near a black hole, where time slows, gravity warps, and the universe takes on a truly alien form. Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur-big-alien-theory Get Nebula using my link fo...

Impossible Technologies: The Clarketech Compendium 16.02.2025

What if the "magic" of tomorrow is just science we don’t yet understand? In this episode, we explore the wildest speculative technologies—faster-than-light travel, Dyson Spheres, teleportation, wormholes, and more. Could these breakthroughs redefine our future or explain the Fermi Paradox? Find out as we dive into the impossible! Watch my exclusive video Big Alien Theory https://nebula.tv/videos/i...

Impossible Technologies: The Clarketech Compendium (Narration Only) 16.02.2025

What if the "magic" of tomorrow is just science we don’t yet understand? In this episode, we explore the wildest speculative technologies—faster-than-light travel, Dyson Spheres, teleportation, wormholes, and more. Could these breakthroughs redefine our future or explain the Fermi Paradox? Find out as we dive into the impossible! Watch my exclusive video Big Alien Theory https://nebula.tv/videos/i...

The Kardashev Scale & Population 13.02.2025

Imagine a scale that ranks civilizations not by their borders or technology, but by the sheer energy they command— some spanning entire galaxies. Join us as we explore the Kardashev Scale, the ultimate measure of cosmic power. Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur-big-alien-theory Get Nebula using my link for 40% off an annual subscription: https://go.nebul...

The Kardashev Scale & Population (Narration Only) 13.02.2025

Imagine a scale that ranks civilizations not by their borders or technology, but by the sheer energy they command— some spanning entire galaxies. Join us as we explore the Kardashev Scale, the ultimate measure of cosmic power. Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur-big-alien-theory Get Nebula using my link for 40% off an annual subscription: https://go.nebul...

Xenocide 09.02.2025

The universe is a cold and hostile place, and may be inhabited by ruthless civilizations or machine minds, bent on destroying anything in their way. Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur-big-alien-theory Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https://go...

Xenocide (Narration Only) 09.02.2025

The universe is a cold and hostile place, and may be inhabited by ruthless civilizations or machine minds, bent on destroying anything in their way. Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur-big-alien-theory Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https://go...

The Bernal Sphere 06.02.2025

Discover the incredible engineering and visionary potential of Bernal Spheres, futuristic space habitats designed to sustain human life in the stars. Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur-big-alien-theory Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https://g...

The Bernal Sphere (Narration Only) 06.02.2025

Discover the incredible engineering and visionary potential of Bernal Spheres, futuristic space habitats designed to sustain human life in the stars. Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur-big-alien-theory Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https://g...

The Fermi Paradox: Galactic Great Filters (Narration Only) 30.01.2025

Amid the swirling vastness of galaxies, each a cosmic city of stars and planets, the silence raises a compelling question: could the very nature of galaxies themselves hold the key to why intelligent life remains unseen? Watch my exclusive video The Fermi Paradox: Air https://nebula.tv/videos/isaacarthur-the-fermi-paradox-air Get Nebula using my link for 40% off an annual subscription: https://go....

The Fermi Paradox: Galactic Great Filters 30.01.2025

Amid the swirling vastness of galaxies, each a cosmic city of stars and planets, the silence raises a compelling question: could the very nature of galaxies themselves hold the key to why intelligent life remains unseen? Watch my exclusive video The Fermi Paradox: Air https://nebula.tv/videos/isaacarthur-the-fermi-paradox-air Get Nebula using my link for 40% off an annual subscription: https://go....

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