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PODCAST

Science & Futurism with 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.

science

All Episodes

00:33:03

How Big Could a Space Habitat Get? (Narration Only)

Science & Futurism with Isaac Arthur ·

2026/01/15

Why live on planets when we can build worlds bigger than Earth? Exploring the ultimate size limits of space habitats and megastructures.

en

00:33:29

How Big Could a Space Habitat Get?

Science & Futurism with Isaac Arthur ·

2026/01/15

Why live on planets when we can build worlds bigger than Earth? Exploring the ultimate size limits of space habitats and megastructures.

en

00:28:02

The Anthropic Principle – Are We Meant to Be Here, or...

Science & Futurism with Isaac Arthur ·

2026/01/11

Are we here by design, chance, or selection bias? The Anthropic Principle, fine-tuning, doomsday math, and Boltzmann brains.

en

00:38:41

Cryogenic Arks – Sleeping Through the Ages (Narration...

Science & Futurism with Isaac Arthur ·

2026/01/08

Could humanity cross the galaxy in frozen sleep? A look at cryogenic arks, deep-space survival, and future long-duration missions.

en

00:32:31

Berserker Aliens - The Deadliest Answer to the Fermi...

Science & Futurism with Isaac Arthur ·

2026/01/04

Could ancient kill-machines haunt the galaxy? A deep dive into the Berserker Fermi Paradox.

en

00:33:02

Berserker Aliens - The Deadliest Answer to the Fermi...

Science & Futurism with Isaac Arthur ·

2026/01/04

Could ancient kill-machines haunt the galaxy? A deep dive into the Berserker Fermi Paradox.

en

00:33:01

5 Sci-Fi Fantasies That Could Soon Become Reality...

Science & Futurism with Isaac Arthur ·

2026/01/01

Five sci-fi technologies becoming real today, from BCIs to space elevators.

en

00:33:29

5 Sci-Fi Fantasies That Could Become Reality

Science & Futurism with Isaac Arthur ·

2026/01/01

Five sci-fi technologies becoming real today, from BCIs to space elevators.

en

00:40:03

Post Stellar Civilizations - Life After The Last Star...

Science & Futurism with Isaac Arthur ·

2025/12/28

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.

en

00:23:30

The Universe’s Unopened Gifts: Hidden Worlds and the...

Science & Futurism with Isaac Arthur ·

2025/12/25

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.

en

00:33:34

Which Stars Could We Live Around? Ranking Every Type...

Science & Futurism with Isaac Arthur ·

2025/12/23

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.

en

00:33:58

Which Stars Could We Live Around? Ranking Every Type...

Science & Futurism with Isaac Arthur ·

2025/12/23

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.

en

00:29:54

The Fermi Paradox & Fossil Fuels

Science & Futurism with Isaac Arthur ·

2025/12/21

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.

en

00:29:26

The Fermi Paradox & Fossil Fuels (Narration Only)

Science & Futurism with Isaac Arthur ·

2025/12/21

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.

en

00:27:16

Alien Overlords Have Conquered Earth... Now What?

Science & Futurism with Isaac Arthur ·

2025/12/18

The invasion is over. The aliens won. Now humanity must live under their rule. Explore the aftermath of conquest—governance, rebellion, culture, survival, and the strange futures that follow.

en

00:26:45

Alien Overlords Have Conquered Earth... Now What?...

Science & Futurism with Isaac Arthur ·

2025/12/18

The invasion is over. The aliens won. Now humanity must live under their rule. Explore the aftermath of conquest—governance, rebellion, culture, survival, and the strange futures that follow.

en

02:36:37

Strange Lifeforms: The Chemistry of Alien Worlds...

Science & Futurism with Isaac Arthur ·

2025/12/16

Explore the universe’s strangest possible life—boron creatures, sulfur beasts, crystal minds, ammonia swimmers, methane organisms, and more in this deep dive into alien chemistry.

en

02:38:27

Strange Lifeforms: The Chemistry of Alien Worlds

Science & Futurism with Isaac Arthur ·

2025/12/16

Explore the universe’s strangest possible life—boron creatures, sulfur beasts, crystal minds, ammonia swimmers, methane organisms, and more in this deep dive into alien chemistry.

en

00:28:08

Vacuum Decay - Escaping the End of Physics Itself...

Science & Futurism with Isaac Arthur ·

2025/12/14

What if the Universe suddenly changed its laws? Discover the science behind vacuum decay, the ultimate cosmic doomsday, and how life might escape it.

en

00:28:37

Vacuum Decay - Escaping the End of Physics Itself

Science & Futurism with Isaac Arthur ·

2025/12/14

What if the Universe suddenly changed its laws? Discover the science behind vacuum decay, the ultimate cosmic doomsday, and how life might escape it.

en

1,171 results

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