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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.

The Space Habitat Diaspora – Humanity Spreads Without Planets

26 mins; April 02, 2026

The Space Habitat Diaspora – Humanity Spreads Without Planets (Narration Only)

25 mins; April 02, 2026

The End of Science

34 mins; March 31, 2026

The End of Science (Narration Only)

33 mins; March 31, 2026

Civilizations at the End of Time - How Intelligence Survives the Death of the Universe (Narration Only)

220 hours 36 mins; March 28, 2026

Civilizations at the End of Time - How Intelligence Survives the Death of the Universe

222 hours 39 mins; March 28, 2026

Biohacks & Brain Mods - The Coming Age of Implant Culture (Narration Only)

28 mins; March 26, 2026

Biohacks & Brain Mods - The Coming Age of Implant Culture

28 mins; March 26, 2026

Micro Planets: Building Artificial Worlds with Black Hole Cores (Narration Only)

24 mins; March 22, 2026

Micro Planets: Building Artificial Worlds with Black Hole Cores

25 mins; March 22, 2026

Colonizing Brown Dwarfs – Life Around Failed Stars

30 mins; March 19, 2026

Colonizing Brown Dwarfs – Life Around Failed Stars (Narration Only)

30 mins; March 19, 2026

Beyond Rockets - 100 Years of Rocketry and What Comes Next (Narration Only)

25 mins; March 15, 2026

Beyond Rockets - 100 Years of Rocketry and What Comes Next

25 mins; March 15, 2026

What Happens When AI Runs the Entire Economy?

28 mins; March 12, 2026

What Happens When AI Runs the Entire Economy? (Narration Only)

28 mins; March 12, 2026

Boron-Based Life – Aliens of the Crystal Deserts (Narration Only)

32 mins; March 10, 2026

Boron-Based Life – Aliens of the Crystal Deserts

32 mins; March 10, 2026

Post-Scarcity Black Markets (Narration Only)

26 mins; March 08, 2026

Post-Scarcity Black Markets

27 mins; March 08, 2026

Interstellar City States (Narration Only)

24 mins; March 05, 2026

Interstellar City States

25 mins; March 05, 2026

Panspermia: Could Alien Comets Be Seeding Life Through the Universe? (Narration Only)

24 mins; March 01, 2026

Panspermia: Could Alien Comets Be Seeding Life Through the Universe?

25 mins; March 01, 2026

Fleet Unity - Humanity’s First Interstellar Armada (Narration only)

25 mins; February 26, 2026

Fleet Unity - Humanity’s First Interstellar Armada

26 mins; February 26, 2026

Big Alien Theory

40 mins; February 22, 2026

Big Alien Theory (Narration Only)

40 mins; February 22, 2026

Interstellar Relays - Moving Signals and Spaceships Between the Stars (Narration Only)

31 mins; February 19, 2026

Interstellar Relays - Moving Signals and Spaceships Between the Stars

31 mins; February 19, 2026

Alien Mathematics

27 mins; February 15, 2026

Alien Mathematics (Narration Only)

27 mins; February 15, 2026

Space Hotels - How Close Are We to Vacationing in Orbit? (Narration Only)

19 mins; February 12, 2026

Space Hotels - How Close Are We to Vacationing in Orbit?

19 mins; February 12, 2026

Wormhole Stableways – Constructing and Navigating Artificial Shortcuts Through Space

36 mins; February 08, 2026

Wormhole Stableways – Constructing and Navigating Artificial Shortcuts Through Space (Narration Only)

35 mins; February 08, 2026

Deep Space Habitats – Designing Self-Sustaining Biomes for Interstellar Journeys (Narration Only)

26 mins; February 05, 2026

Deep Space Habitats – Designing Self-Sustaining Biomes for Interstellar Journeys

26 mins; February 05, 2026

Plasma Based Lifeforms - Could Creatures of Fire and Lightning Exist?

25 mins; February 01, 2026

Plasma Based Lifeforms - Could Creatures of Fire and Lightning Exist?

26 mins; February 01, 2026

Does Humanity Need To Be Unified To Survive and Settle Space? (Narration Only)

25 mins; January 29, 2026

Does Humanity Need To Be Unified To Survive and Settle Space?

26 mins; January 29, 2026

The Fermi Paradox: Air — Atmospheres as a Great Filter (Narration Only)

38 mins; January 26, 2026

The Fermi Paradox: Air — Atmospheres as a Great Filter

38 mins; January 26, 2026

Asteroid City States – Living in Mobile Habitats Powered by Resource Extraction (Narration Only)

30 mins; January 22, 2026

Asteroid City States – Living in Mobile Habitats Powered by Resource Extraction

31 mins; January 22, 2026

Hidden Alien Empires: Shadow Civilizations & Exostellar Realms

31 mins; January 18, 2026

Hidden Alien Empires: Shadow Civilizations & Exostellar Realms (Narration Only)

30 mins; January 18, 2026

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

33 mins; January 15, 2026

How Big Could a Space Habitat Get?

33 mins; January 15, 2026

The Anthropic Principle – Are We Meant to Be Here, or Just Lucky? (Narration Only)

28 mins; January 11, 2026

The Anthropic Principle – Are We Meant to Be Here, or Just Lucky?

28 mins; January 11, 2026

Cryogenic Arks – Sleeping Through the Ages

38 mins; January 08, 2026

Cryogenic Arks – Sleeping Through the Ages (Narration Only)

38 mins; January 08, 2026

Berserker Aliens - The Deadliest Answer to the Fermi Paradox

33 mins; January 04, 2026

Berserker Aliens - The Deadliest Answer to the Fermi Paradox (Narration Only)

32 mins; January 04, 2026

5 Sci-Fi Fantasies That Could Become Reality

33 mins; January 01, 2026

5 Sci-Fi Fantasies That Could Soon Become Reality (Narration Only)

33 mins; January 01, 2026

Post Stellar Civilizations - Life After The Last Star Fades (Narration Only)

40 mins; December 28, 2025

Post Stellar Civilizations - Life After The Last Star Fades

23 mins; December 28, 2025

The Universe’s Unopened Gifts: Hidden Worlds and the Spirit of Discovery (Narration Only)

23 mins; December 25, 2025

The Universe’s Unopened Gifts: Hidden Worlds and the Spirit of Discovery

23 mins; December 25, 2025

Which Stars Could We Live Around? Ranking Every Type of Star

33 mins; December 23, 2025

Which Stars Could We Live Around? Ranking Every Type of Star (Narration Only)

33 mins; December 23, 2025

The Fermi Paradox & Fossil Fuels (Narration Only)

29 mins; December 21, 2025

The Fermi Paradox & Fossil Fuels

29 mins; December 21, 2025

Alien Overlords Have Conquered Earth... Now What? (Narration Only)

26 mins; December 18, 2025

Alien Overlords Have Conquered Earth... Now What?

27 mins; December 18, 2025

Strange Lifeforms: The Chemistry of Alien Worlds

158 hours 27 mins; December 16, 2025

Strange Lifeforms: The Chemistry of Alien Worlds (Narration Only)

156 hours 37 mins; December 16, 2025

Vacuum Decay - Escaping the End of Physics Itself (Narration Only)

28 mins; December 14, 2025

Vacuum Decay - Escaping the End of Physics Itself

28 mins; December 14, 2025

Bubble Habitats & Zero-G Megastructures

25 mins; December 11, 2025

Bubble Habitats & Zero-G Megastructures (Narration Only)

24 mins; December 11, 2025

The Myth of Mutation Why Superpowers Don’t Evolve... and What Might (Narration Only)

23 mins; December 09, 2025

The Myth of Mutation Why Superpowers Don’t Evolve (and What Might)

24 mins; December 09, 2025

Surviving the Death of the Sun – Moving Earth or Finding a New Home (Narration Only)

29 mins; December 07, 2025

Surviving the Death of the Sun – Moving Earth or Finding a New Home

29 mins; December 07, 2025

Developing a Cis-Lunar Economy

25 mins; December 04, 2025

Developing a Cis-Lunar Economy (Narration Only)

25 mins; December 04, 2025

Beyond Alpha Centauri (Narration Only)

24 mins; November 30, 2025

Beyond Alpha Centauri

25 mins; November 30, 2025

Orbital Farms: Sustaining Life Across the Solar Frontier

32 mins; November 27, 2025

Orbital Farms: Sustaining Life Across the Solar Frontier (Narration Only)

33 mins; November 27, 2025

Ark Swarms - Dispersing Humanity Across the Stars to Prevent Extinction

27 mins; November 23, 2025

Ark Swarms - Dispersing Humanity Across the Stars to Prevent Extinction (Narration Only)

27 mins; November 23, 2025

The Future of Humanity - What Will We Become?

29 mins; November 20, 2025

The Future of Humanity - What Will We Become? (Narration Only)

28 mins; November 20, 2025

Could We Nuke Mars’ Core to Restart Its Spin? | New Insights on Martian Interior (Narration Only)

15 mins; November 18, 2025

Could We Nuke Mars’ Core to Restart Its Spin? | New Insights on Martian Interior

15 mins; November 18, 2025

Why We Should Go To Mars... And Why We Shouldn't

28 mins; November 16, 2025

Why We Should Go To Mars... And Why We Shouldn't (Narration Only)

28 mins; November 16, 2025

The First Interstellar Colony Humanity’s Leap Beyond Sol (Narration Only)

33 mins; November 13, 2025

The First Interstellar Colony Humanity’s Leap Beyond Sol

34 mins; November 13, 2025

Doomsday Devices & Ontological Weaponry

29 mins; November 09, 2025

Doomsday Devices & Ontological Weaponry (Narration Only)

28 mins; November 09, 2025

The Space Mining Boom - How Resources Will Shape the Future Economy

27 mins; November 06, 2025

The Space Mining Boom - How Resources Will Shape the Future Economy (Narration Only)

27 mins; November 06, 2025

Insectoid Aliens - Hive Minds, Swarms, and Alien Evolution (Narration Only)

27 mins; November 02, 2025

Insectoid Aliens - Hive Minds, Swarms, and Alien

28 mins; November 02, 2025

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Science & Futurism with Isaac Arthur

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