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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

00:29:21

ISRU: In-Situ Resource Utilization (Narration Only)

Science & Futurism with Isaac Arthur ·

2025/06/29

In order to succeed in space, we must be able to produce as much as possible on-site, or ‘in situ’, but what are the most critical resources to harvest and how do we do it?

en

00:31:21

ISRU: In-Situ Resource Utilization - From Regolith to...

Science & Futurism with Isaac Arthur ·

2025/06/29

In-situ resource utilization (ISRU) is the key to building lasting colonies in space—by turning local materials into shelter, fuel, and even food. Explore how humanity might thrive beyond Earth by living off the land on other worlds.

en

00:40:29

Cosmic Megafauna - Could Giant Alien Life Forms...

Science & Futurism with Isaac Arthur ·

2025/06/26

Space is big—but could life out there be even bigger? Join us as we ask just how enormous alien life can get—and what it might look like.

en

00:40:59

Cosmic Megafauna - Could Giant Alien Life Forms Exist?

Science & Futurism with Isaac Arthur ·

2025/06/26

Space is big—but could life out there be even bigger? Join us as we ask just how enormous alien life can get—and what it might look like.

en

00:22:48

How Colonizing Space Benefits Earth - The...

Science & Futurism with Isaac Arthur ·

2025/06/22

Space colonization isn't about abandoning Earth—it's about transforming it. Discover how expanding into space can drive innovation, sustainability, and prosperity right here on the ground.

en

00:23:14

How Colonizing Space Benefits Earth - The...

Science & Futurism with Isaac Arthur ·

2025/06/22

Space colonization isn't about abandoning Earth—it's about transforming it. Discover how expanding into space can drive innovation, sustainability, and prosperity right here on the ground.

en

00:38:02

Space Elevator Economics - Building And Operating A...

Science & Futurism with Isaac Arthur ·

2025/06/19

Explore the real economics of building and operating a space elevator—from ship-launched ribbons to megaton climbers—and how this infrastructure could change the world.

en

00:38:29

Space Elevator Economics - Building And Operating A...

Science & Futurism with Isaac Arthur ·

2025/06/19

Explore the real economics of building and operating a space elevator—from ship-launched ribbons to megaton climbers—and how this infrastructure could change the world.

en

02:17:57

The Terraforming Compendium - From Barren Rocks to...

Science & Futurism with Isaac Arthur ·

2025/06/15

Could we sculpt dead planets into living worlds? From artificial crusts and orbital mirrors to taming tectonics and engineering biospheres, this is your definitive guide to turning alien rocks into second Earths.

en

02:17:02

The Terraforming Compendium - From Barren Rocks to...

Science & Futurism with Isaac Arthur ·

2025/06/15

Could we sculpt dead planets into living worlds? From artificial crusts and orbital mirrors to taming tectonics and engineering biospheres, this is your definitive guide to turning alien rocks into second Earths.

en

00:33:39

Interstellar Travel: Can We Survive the Long Journey?...

Science & Futurism with Isaac Arthur ·

2025/06/12

Interstellar travel may one day take us to the stars, but surviving the journey could be the greatest challenge humanity has ever faced. In this episode, we explore the physical, psychological, and societal trials of a voyage that could span centuries—or forever.

en

00:15:46

Could We See a Second Big Bang?

Science & Futurism with Isaac Arthur ·

2025/06/10

From quantum tunneling to cosmic inflation, we journey through the theories behind the Big Bang and beyond — and ask the big question: could another Big Bang be in our cosmic future?

en

00:32:18

How Many Alien Civilizations Are There? (Narration Only)

Science & Futurism with Isaac Arthur ·

2025/06/08

Are we alone in the universe—or just early to the party? We’ll explore the math, models, and megastructures that might answer how many alien civilizations are out there, and why the night sky remains so quiet.

en

00:32:50

How Many Alien Civilizations Are There?

Science & Futurism with Isaac Arthur ·

2025/06/08

Are we alone in the universe—or just early to the party? We’ll explore the math, models, and megastructures that might answer how many alien civilizations are out there, and why the night sky remains so quiet.

en

00:52:21

Orbital Shipyards - Building Fleets in Space

Science & Futurism with Isaac Arthur ·

2025/06/05

A new industrial revolution is coming—not on Earth, but above it. This episode delves into how orbital shipyards will produce everything from shuttles to megastructures, changing how we explore and inhabit space.

en

00:51:50

Orbital Shipyards - Building Fleets in Space...

Science & Futurism with Isaac Arthur ·

2025/06/05

A new industrial revolution is coming—not on Earth, but above it. This episode delves into how orbital shipyards will produce everything from shuttles to megastructures, changing how we explore and inhabit space.

en

00:27:11

5 Fermi Paradox Explanations I Love… and 7 That Fall...

Science & Futurism with Isaac Arthur ·

2025/05/31

The Fermi Paradox asks why, in a vast and ancient universe, we see no signs of alien life. In this episode, we explore five explanations that make sense—and seven popular ones that, despite sounding good, fall flat under closer scrutiny.

en

00:27:11

5 Fermi Paradox Explanations I Love… and 7 That Fall...

Science & Futurism with Isaac Arthur ·

2025/05/31

The Fermi Paradox asks why, in a vast and ancient universe, we see no signs of alien life. In this episode, we explore five explanations that make sense—and seven popular ones that, despite sounding good, fall flat under closer scrutiny.

en

00:43:36

Stormtroopers: Elite Warriors and the Evolution of...

Science & Futurism with Isaac Arthur ·

2025/05/29

From trench-busting stormtroopers to galaxy-spanning clone legions, we explore the evolution of elite soldiers and how sci-fi reimagines the future of warfare.

en

00:42:59

Stormtroopers: Elite Warriors and the Evolution of...

Science & Futurism with Isaac Arthur ·

2025/05/29

From trench-busting stormtroopers to galaxy-spanning clone legions, we explore the evolution of elite soldiers and how sci-fi reimagines the future of warfare.

en

1,171 results

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