Best Isaac Arthur Podcasts (2025)

1
Jupiter Brains & Mega Minds 41:03

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14h ago41:03

41:03

We often contemplate superintelligent entities, and advances in AI and human mind augmentation may soon bring them about. But how big could they get? What would they think about? And might you, or I, one day become one ourselves? Get a free trial TODAY with Hostinger Horizons! Use code ISAACARTHUR to get 10% off your first month here: hostinger.com…

1
Postmark Ganymede by Robert Silverberg 20:59

1h ago20:59

20:59

Consider the poor mailman of the future. To "sleet and snow and dead of night"—things that must not keep him from his appointed rounds—will be added, sub-zero void, meteors, and planets that won't stay put. Maybe he'll decide that for six cents an ounce it just ain't worth it. Postmark Ganymede by Robert Silverberg. That’s next on The Lost Sci-Fi P…

1
Jupiter Brains & Mega Minds (Narration Only) 41:08

10h ago41:08

41:08

We often contemplate superintelligent entities, and advances in AI and human mind augmentation may soon bring them about. But how big could they get? What would they think about? And might you, or I, one day become one ourselves? Get a free trial TODAY with Hostinger Horizons! Use code ISAACARTHUR to get 10% off your first month here: hostinger.com…

1
Man of Distinction by Michael Shaara 21:09

18m ago21:09

21:09

Being unique is a matter of pride—but being a complete mathematical impossibility? Man of Distinction by Michael Shaara. That’s next on The Lost Sci-Fi Podcast. Well, would you look at that… The Lost Sci-Fi Podcast has officially rocketed past 2 MILLION downloads! Two. Million! But here we are, with millions of plays — all thanks to you. Yes, you w…

1
Bleekman's Planet by Randall Garrett and Robert Silverberg 26:25

15h ago26:25

26:25

Thornwald had done his tour of duty for the Solar Service; now it was time for him to retire. But a life of relaxation would not be simple on—Bleekman's Planet by Randall Garrett and Robert Silverberg. That’s next on The Lost Sci-Fi Podcast. If you picked up the February 1957 issue of Imagination Stories of Science and Fantasy, you’d probably think…

1
Dead Man's Planet by Russ Winterbotham 37:31

2h ago37:31

37:31

For unmarked ages a dead man kept his ghostly vigil on that barren, frozen asteroid. Dead Man's Planet by Russ Winterbotham. That’s next on The Lost Sci-Fi Podcast. This is a brand-new story making its debut on our podcast. If the title Dead Man’s Planet rings a bell, that’s because we’ve featured another tale with the same name before — but rest a…

101
After the Singularity - What Life Would Be Like If A Technological Singularity Happened? 33:56

4d ago33:56

33:56

What happens after intelligence explodes beyond human comprehension? We explore a world shaped by superintelligence, where humanity may ascend, adapt — or disappear. Go to https://hensonshaving.com/isaacarthur and enter "Isaac Arthur " at checkout to get 100 free blades with your purchase. Visit our Website: http://www.isaacarthur.net Join Nebula: …

1
After the Singularity - What Life Would Be Like If A Technological Singularity Happened? (Narration Only) 33:34

4d ago33:34

33:34

What happens after intelligence explodes beyond human comprehension? We explore a world shaped by superintelligence, where humanity may ascend, adapt — or disappear. Go to https://hensonshaving.com/isaacarthur and enter "Isaac Arthur " at checkout to get 100 free blades with your purchase. Visit our Website: http://www.isaacarthur.net Join Nebula: …

1
The Hermit of Mars by Stephen Bartholomew 36:59

12h ago36:59

36:59

He was the oldest man on Mars ... in fact, the only one! The Hermit of Mars by Stephen Bartholomew. That’s next on The Lost Sci-Fi Podcast. All we know about Stephen Bartholomew is that six of his stories were published from 1957 to 1963. We will find today’s story on page 49 in Worlds of Tomorrow Magazine published in October 1963, The Hermit of M…

1
The Quantum Jump by Robert Wicks 28:34

1d ago28:34

28:34

Captain Brandon was a pioneer. He explored the far reaches of space and reported back on how things were out there. So it was pretty disquieting to find out that the “far reaches of space” knew more about what went on at home than he did. The Quantum Jump by Robert Wicks. That’s next on The Lost Sci-Fi Podcast. Another day, another podcast and anot…

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Martians Never Die by Lucius Daniel 36:58

2d ago36:58

36:58

It was a wonderful bodyguard: no bark, no bite, no sting ... just conversion of the enemy! Martians Never Die by Lucius Daniel. That’s next on The Lost Sci-Fi Podcast. We went through a stretch where episodes were a little scarce, but that’s changing now—we’re going all in! Our goal is to bring you a brand-new episode every single day for the rest …

1
Summertime on Icarus AKA The Hottest Piece Of Real Estate In The Solar System by Arthur C. Clarke 34:41

7d ago34:41

34:41

Alone on the scorching side of this tiny little world, an astronaut races against time as the blazing sun creeps closer to incinerating him. Survival depends on outthinking the most unforgiving environment in the solar system. Summertime on Icarus by Arthur C. Clarke. That’s next on The Lost Sci-Fi Podcast. Special thanks to MizzBassie who bought u…

1
Lunar Industrial Parks - The First Factories Beyond Earth (Narration Only) 23:10

8d ago23:10

23:10

Before we build cities among the stars, we’ll need factories on the Moon. Discover how lunar industry could kickstart a space-based economy and reshape the future of humanity. Watch my exclusive video Dark Biospheres: https://nebula.tv/videos/isaacarthur-dark-biospheres-life-on-worlds-without-sunlight Get Nebula using my link for 40% off an annual …

1
Lunar Industrial Parks - The First Factories Beyond Earth 23:26

8d ago23:26

23:26

Before we build cities among the stars, we’ll need factories on the Moon. Discover how lunar industry could kickstart a space-based economy and reshape the future of humanity. Watch my exclusive video Dark Biospheres: https://nebula.tv/videos/isaacarthur-dark-biospheres-life-on-worlds-without-sunlight Get Nebula using my link for 40% off an annual …

1
Strange Alliance by Bryce Walton 28:04

4d ago28:04

28:04

Haunted by their dark heritage, a medieval fate awaited them… Strange Alliance by Bryce Walton. That’s next on The Lost Sci-Fi Podcast. You’ve heard Bryce Walton twice previously on the podcast, Moon of Memory and Savage Galahad. He returns with a short story from Fantasy Book, Volume 1, Number 1, published in 1947. Turn to page 22 for, Strange All…

1
The Nothing Equation by Tom Godwin 23:24

6d ago23:24

23:24

The space ships were miracles of power and precision; the men who manned them, rich in endurance and courage. Every detail had been checked and double checked; every detail except—The Nothing Equation by Tom Godwin. That’s next on The Lost Sci-Fi Podcast. Tom Godwin was born in Maryland back in 1915, and life wasn’t exactly easy for him early on—he…

1
Building a Dyson Swarm from Scratch 23:26

11d ago23:26

23:26

What does it take to turn the Sun into a power grid? Discover the step-by-step path from asteroid mining to a star-spanning megastructure. Watch my exclusive video Dark Biospheres: https://nebula.tv/videos/isaacarthur-dark-biospheres-life-on-worlds-without-sunlight Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/is…

1
Building a Dyson Swarm from Scratch (Narration Only) 30:00

10d ago30:00

30:00

What does it take to turn the Sun into a power grid? Discover the step-by-step path from asteroid mining to a star-spanning megastructure. Watch my exclusive video Dark Biospheres: https://nebula.tv/videos/isaacarthur-dark-biospheres-life-on-worlds-without-sunlight Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/is…

1
Ground by Hal Clement 38:18

7d ago38:18

38:18

They were inside the sun, in a temperature of 900 Kelvin. With the refrigerators out there was only one wild chance to pull through. Ground by Hal Clement. That’s next on The Lost Sci-Fi Podcast. We’re back! 🎉 After a tough stretch with some health challenges, that’s all behind us now—and we couldn’t be more excited. You’ll be seeing lots more epis…

1
Ancient Alien Artifacts - Cosmic Relics Of A Dangerous Past 30:22

15d ago30:22

30:22

The silence of the stars might be hiding more than an absence of life — it might conceal ancient machines, monuments, and traps from civilizations long vanished. Today, we explore these eerie cosmic echoes and the risks of unearthing them. Get a free trial TODAY with Hostinger Horizons! Use code ISAACARTHUR to get 10% off your first month here: hos…

1
Ancient Alien Artifacts - Cosmic Relics Of A Dangerous Past (Narration Only) 29:58

15d ago29:58

29:58

The silence of the stars might be hiding more than an absence of life — it might conceal ancient machines, monuments, and traps from civilizations long vanished. Today, we explore these eerie cosmic echoes and the risks of unearthing them. Get a free trial TODAY with Hostinger Horizons! Use code ISAACARTHUR to get 10% off your first month here: hos…

1
Colonizing Rogue Planets (Narration Only) 27:40

18d ago27:40

27:40

Rogue planets wander the cosmos without stars, but could we still call them home? This episode dives into how humanity might transform these frozen giants into thriving outposts of civilization. Go to https://hensonshaving.com/isaacarthur and enter "Isaac Arthur " at checkout to get 100 free blades with your purchase. Visit our Website: http://www.…

1
Colonizing Rogue Planets 28:03

18d ago28:03

28:03

Rogue planets wander the cosmos without stars, but could we still call them home? This episode dives into how humanity might transform these frozen giants into thriving outposts of civilization. Go to https://hensonshaving.com/isaacarthur and enter "Isaac Arthur " at checkout to get 100 free blades with your purchase. Visit our Website: http://www.…

1
The Great Scientific Scams - From Snake Oil to Cold Fusion (Narration Only) 27:15

22d ago27:15

27:15

What do snake oil, N-rays, and cold fusion have in common? They’re all cautionary tales reminding us why skepticism is essential to science—and to our future. Watch my exclusive video Dark Biospheres: https://nebula.tv/videos/isaacarthur-dark-biospheres-life-on-worlds-without-sunlight Get Nebula using my link for 40% off an annual subscription: htt…

1
The Great Scientific Scams - From Snake Oil to Cold Fusion 27:43

22d ago27:43

27:43

What do snake oil, N-rays, and cold fusion have in common? They’re all cautionary tales reminding us why skepticism is essential to science—and to our future. Watch my exclusive video Dark Biospheres: https://nebula.tv/videos/isaacarthur-dark-biospheres-life-on-worlds-without-sunlight Get Nebula using my link for 40% off an annual subscription: htt…

1
Fall of Knight by A. Bertram Chandler 22:56

20d ago22:56

22:56

Sir Ian's proposal shocked them all. They were spacemen. This was not a thing that they'd know how to do. Fall of Knight by A. Bertram Chandler. That’s next on The Lost Sci-Fi Podcast. Today marks the 400th episode of The Lost Sci-Fi Podcast. Thank you for your support, your encouragement and thank you of listening!! The Lost Sci-Fi Podcast has sho…

1
The Fermi Paradox & The Hivemind Dilemma (Narration Only) 29:15

25d ago29:15

29:15

Are we alone, or just looking for the wrong kind of aliens? Discover how the path to hive minds and distributed consciousness might answer the Fermi Paradox — and pose new dilemmas of their own. Watch my exclusive video Dark Biospheres: https://nebula.tv/videos/isaacarthur-dark-biospheres-life-on-worlds-without-sunlight Get Nebula using my link for…

1
The Fermi Paradox & The Hivemind Dilemma 29:35

25d ago29:35

29:35

Are we alone, or just looking for the wrong kind of aliens? Discover how the path to hive minds and distributed consciousness might answer the Fermi Paradox — and pose new dilemmas of their own. Watch my exclusive video Dark Biospheres: https://nebula.tv/videos/isaacarthur-dark-biospheres-life-on-worlds-without-sunlight Get Nebula using my link for…

1
And Miles To Go Before I Sleep by William F. Nolan 14:05

23d ago14:05

14:05

He knew, to the exact minute, when he was going to die. And Earth was too far away to reach…. And Miles To Go Before I Sleep by William F. Nolan... That’s next on The Lost Sci-Fi Podcast. More 5 star reviews on Apple Podcasts! This from FabRascal67, “Great, but… Love the storytelling. Keeps the mind busy during slow periods at work. My only complai…

1
Galaxy-Scale Megastructures & Kardashev-3 Civilizations 50:26

29d ago50:26

50:26

Imagine engineering projects so vast they mold galaxies into new shapes. We’ll explore the staggering feats of Kardashev-3 and beyond civilizations, crafting CARD galaxies, Birch Planets, and even rearranging superclusters. Watch my exclusive video Dark Biospheres: https://nebula.tv/videos/isaacarthur-dark-biospheres-life-on-worlds-without-sunlight…

1
Galaxy-Scale Megastructures & Kardashev-3 Civilizations (Narration Only) 50:08

29d ago50:08

50:08

Imagine engineering projects so vast they mold galaxies into new shapes. We’ll explore the staggering feats of Kardashev-3 and beyond civilizations, crafting CARD galaxies, Birch Planets, and even rearranging superclusters. Watch my exclusive video Dark Biospheres: https://nebula.tv/videos/isaacarthur-dark-biospheres-life-on-worlds-without-sunlight…

1
The Madness of Lancelot Biggs by Nelson S. Bond 52:47

28d ago52:47

52:47

There was more at stake than just a football game for Lancelot Biggs and the crew of the Saturn. So Biggs made a bargain; his rocket emblem in exchange for a new uranium condenser—and how it worked! The Madness of Lancelot Biggs by Nelson S. Bond. That’s next on The Lost Sci-Fi Podcast. Some of you have probably noticed that there haven’t been as m…