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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

00:38:11

The Fermi Paradox: Air — Atmospheres as a Great Filter

Science & Futurism with Isaac Arthur ·

2026/01/27

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.

en

00:30:55

Asteroid City States – Living in Mobile Habitats...

Science & Futurism with Isaac Arthur ·

2026/01/22

Asteroid mines become mobile city-states. Explore how hollowed asteroids grow into sovereign habitats, economies, and civilizations.

en

00:31:19

Asteroid City States – Living in Mobile Habitats...

Science & Futurism with Isaac Arthur ·

2026/01/22

Asteroid mines become mobile city-states. Explore how hollowed asteroids grow into sovereign habitats, economies, and civilizations.

en

00:31:23

Hidden Alien Empires: Shadow Civilizations &...

Science & Futurism with Isaac Arthur ·

2026/01/18

The galaxy may not be empty. It may be hiding. Shadow civilizations, quiet empires, and the true meaning of cosmic silence.

en

00:30:54

Hidden Alien Empires: Shadow Civilizations &...

Science & Futurism with Isaac Arthur ·

2026/01/18

The galaxy may not be empty. It may be hiding. Shadow civilizations, quiet empires, and the true meaning of cosmic silence.

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

00:33:03

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

00:28:02

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

00:33:29

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

00:33:01

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

00:40:03

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

00:33:58

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

00:33:34

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

00:29:54

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

00:26:45

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

1,096 results

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