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.

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Colonizing Rogue Planets
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Colonizing Rogue Planets (Narration Only)

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?

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Jupiter Brains & Mega Minds [2025 Extended Edition]
Written, Produced & Narrated by: Isaac Arthur
Graphics:
Jeremy Jozwik
Sergio Botero
Ken York
Select imagery/video supplied by Getty Images
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Jupiter Brains & Mega Minds (Narration Only)

From abiogenesis to AI, we rank the top Great Filter candidates and test them against the data to see which best explains the Fermi Paradox. Is the universe empty, or just dangerous? We explore ten filters—cosmic, biological, and civilizational—that could silence civilizations before they spread.

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Could We Accidentally Destroy the Universe?
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

The 10 Best Great Filters That Could Explain the Fermi Paradox

The 10 Best Great Filters That Could Explain the Fermi Paradox (Narration Only)

What if the end of everything came not from cosmic fate, but from us? This episode examines the physics, probability, and peril of experiments that could, in theory, unravel the universe.

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Could We Accidentally Destroy the Universe?
Written, Produced & Narrated by: Isaac Arthur
Editors: Lukas Konecny
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Chapters
0:00 Intro
2:38 Vacuum Decay (False Vacuum Collapse)
9:59 Strange Matter Conversion
13:09 Gray Goo Scenario (Nanotechnology Out of Control)
16:05 Runaway Energy Reaction
19:06 Altering the Constants of Nature
20:49 Brane Collision (M-Theory Catastrophe)
22:27 Time Travel or Causality Paradox
23:55 Nebula
25:20 Simulation Shutdown
27:21 Big Rip or Cosmological Instability
28:35 Baby Universe Creation or Collapse
29:51 Why It Hasn’t Happened Yet (Anthropic Principle & More)
31:49 Channel Updates

Could We Accidentally Destroy the Universe?

Could We Accidentally Destroy the Universe? (Narration Only)

You’ve made it to a new world—but how do you make a living when Earth is light-years away? We chart how colonies bootstrap markets, money, and meaning—from scrip and rationing to trade networks and post-scarcity systems.

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Colonial Economies - How Do You Make Money on a New Planet?
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Colonial Economies - How Do You Make Money on a New Planet? (Narration Only)

Colonial Economies - How Do You Make Money on a New Planet?

Feudalism once ruled Earth—could it rule the cosmos too? We dive into the strange but plausible world of space nobles, orbital dukes, and knights of the vacuum clad in power armor or piloting mecha.

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Feudal Futures - Knights & Nobles in the Space Age
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Feudal Futures - Knights & Nobles in the Space Age

Feudal Futures - Knights & Nobles in the Space Age (Narration Only)

Space isn’t just for lonely colonies—it’s for communities. Join us as we imagine constellations of space habitats bound by tethers, trade, and trust, building not just homes in the stars but entire civilizations.

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Space Habitat Clusters & Conglomerations
Written, Produced & Narrated by: Isaac Arthur
Graphics: Jarred Eagley, Jeremy Jozwik, Udo Schroeter
Select imagery/video supplied by Getty Images 
Music Courtesy of Stellardrone and Epidemic Sound http://epidemicsound.com/creator

Space Habitat Clusters & Conglomerations (Narration Only)

3I/ATLAS is only the third interstellar object we’ve ever seen — but could it really be an alien artifact, or just another comet with unusual traits?

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Is 3I/ATLAS an Alien Artifact?
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images 
Music Courtesy of Chris Zabriskie, Stellardrone

Is 3I/ATLAS an Alien Artifact?

Is 3I/ATLAS an Alien Artifact? (Narration Only)

The discovery of 2017 OF201 reminds us that even small worlds can hold vast potential — not just as frozen orbs, but as stepping stones for interstellar civilization.

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New Dwarf Planet Discovered: A Minor Planet With a Major Future?
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images 

Chapters
0:00 Intro
1:11 What Counts as a Dwarf Planet?
3:47 The New Arrival: 2017 OF201
4:47 From Iceball to Megastructure
6:03 Waypoint to the Stars
8:38 Lessons from Pluto and the Dwarf Planet Census
9:43 Engineering Challenges & Opportunities
10:50 Extrapolating the Frontier

New Dwarf Planet Discovered: A Minor Planet With a Major Future? (Narration Only)

Could life thrive in seas of methane instead of water? We explore Titan-like worlds and the alien ecosystems they might harbor.

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Life in Methane Oceans: Could Aliens Evolve on Titan-like Worlds?
Written, Produced & Narrated by: Isaac Arthur
Editors: Thomas Owens & Lukas Konecny
Select imagery/video supplied by Getty Images 
Music Courtesy of Stellardrone and Epidemic Sound http://epidemicsound.com/creator

Life in Methane Oceans: Could Aliens Evolve on Titan-like Worlds? (Narration Only)

Gravity has always shackled industry, but orbit frees us to build in ways Earth never allowed. This episode explores the rise of orbital foundries and the industries they unlock.

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Orbital Foundries & Zero-G Manufacturing: Building in Space
Written, Produced & Narrated by: Isaac Arthur
Graphics: Jeremy Jozwik, Ken York, Udo Schroeter
Select imagery/video supplied by Getty Images 
Music Courtesy of Aerium, Stellardrone, Chris Zabriskie, and Epidemic Sound http://epidemicsound.com/creator

Orbital Foundries & Zero-G Manufacturing - Building in Space (Narration Only)

Orbital Foundries & Zero-G Manufacturing - Building in Space

The universe is beyond immense, and yet it might be nothing more than a tiny dot beside the rest of reality.

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Exploring The Multiverse
Originally aired as Episode 462b; September 1, 2024 
Produced, Written & Narrated by: Isaac Arthur
Editors: Thomas  Owens
Select imagery/video supplied by Getty Images
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Stellardrone, "Red Giant", "Ultra Deep Field"
Sergey Cheremisinov, "Labyrinth", "Forgotten Stars"
Taras Harkavyi, "Alpha and ..."

Exploring The Multiverse (Narration Only)

Exploring The Multiverse

Mars may be humanity’s next great home—but it’s not the finish line. From floating cities above Venus to mining Mercury and the Asteroid Belt, to building bases on the Jovian moons and Titan, we explore which destinations might follow Mars and how each could shape our future in space.

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Chapters
0:00 Intro
2:02 Why the Moon Should Come First
3:47 Candidate #1: Near-Earth Asteroids (NEAs)
7:52 Candidate #2: Venus
11:35 Candidate #3: Mercury
15:16 Candidate #4: Lagrange Points & Earth-Orbit Infrastructure
17:51 Candidate #5: Jovian Moons
20:26 Nebula
22:06 Candidate #6: Titan (Saturn’s Moon)
23:46 Candidate #7: The Asteroid Belt
25:44 Candidate #8: Comet Mining & Outer System Expansion
27:56 Cross-Support: Who Helps Whom?

After Mars - 8 Candidates For Where Humanity Should Go Next (Narration Only)

After Mars - 8 Candidates For Where Humanity Should Go Next

Solar storms are inevitable; disaster isn’t. We explore the physics of flares and CMEs, historical extremes, and realistic defenses—detection, delay, and planetary-scale shielding—to weather the Sun’s worst days.

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Solar Flares and Coronal Mass Ejections - Defending Earth from Our Own Star
Written, Produced & Narrated by: Isaac Arthur
Graphics:  Mafic Studios, Sergio Botero
Select imagery/video supplied by Getty Images 
Music Courtesy of Aerium, Stellardrone, Chris Zabriskie, and Epidemic Sound http://epidemicsound.com/creator

Solar Flares and Coronal Mass Ejections - Defending Earth from Our Own Star

Solar Flares and Coronal Mass Ejections - Defending Earth from Our Own Star (Narration Only)

Could the origins of life on Earth trace back to a natural nuclear reactor? Long before humanity split the atom, nature itself may have done it first. In this episode, we explore the astonishing possibility that self-sustaining fission reactions—like the Oklo natural reactor in Gabon—once powered the chemical engines of creation. From radioactive geysers and mineral-rich pools to the first self-replicating molecules, we’ll examine how nuclear energy might have provided the spark that turned chemistry into biology. Along the way, we’ll connect this mystery to the Fermi Paradox, asking whether such rare, radioactive beginnings might explain why intelligent life seems so scarce in the universe. Join us for a journey that blends cosmic mystery, geochemistry, and the science of life’s origins.


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The Fermi Paradox - Did a Natural Nuclear Reactor Spark All Life?
Written by Isaac Arthur & Philip Kramer, PhD
Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Chapters
0:00 Intro
3:39 The Fermi Paradox and the Great Filter
6:41 The Rare Earth Hypothesis & LUCA
11:42 Natural Nuclear Reactors – Earth’s First Fission Furnace
16:00 The Nuclear Geyser Hypothesis
21:27 Nebula
23:02 Implications for Alien Life
29:39 Fictional Exploration


The Fermi Paradox - Did a Natural Nuclear Reactor Spark All Life?

Colonies won’t always last forever—sometimes planets revert, habitats decay, and entire worlds are left in ruins. Join us as we examine the life cycle of abandoned space settlements.

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Abandoned Space Colonies - How Worlds Can Unterraform Themselves
Written, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images 
Music Courtesy of Aerium, Stellardrone, Chris Zabriskie, and Epidemic Sound http://epidemicsound.com/creator

Chapters
0:00 Intro
4:13 Why Colonies Fail
9:31 Ecological Collapse in Non-Earth Environments
12:39 Case Study – Kaluga-4, Oxygen Depletion
14:34 Unterraforming – How a World Reverts or Mutates
16:45 Abandonment Timelines
19:08 Case Study – Proxima B
22:00 Nebula 
Restoration & Resettlement
23:43 Case Study – Valhalla
25:22 System-Level Context
29:05 Long-Term Patterns in a Galactic Civilization


Abandoned Space Colonies - How Worlds Can Unterraform Themselves (Narration Only)

Abandoned Space Colonies - How Worlds Can Unterraform Themselves

From supernova graveyards and magnetar death fields to alien quarantines and simulation boundaries, we map out the “haunted houses” of the Milky Way and ask: are we living in one?

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Credits:
The Fermi Paradox - Forbidden Zones
Written, Produced & Narrated by: Isaac Arthur
Editor: Thomas Owens
Graphics: Ken ?York, Sergio Botero, Udo Schroeter
Select imagery/video supplied by Getty Images 
Music Courtesy of Stellardrone and Epidemic Sound http://epidemicsound.com/creator

The Fermi Paradox - Forbidden Zones (Narration Only)

Meet the caretaker AIs: guardians of planets, habitats, and civilizations. What happens when machines become the spirit and soul of the worlds they protect?

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Credits:
Caretaker AI & Genus Loci 2025 Edition
Written, Produced & Narrated by: Isaac Arthur
Editors: Ludwig Luska 
Graphics:
Bryan Versteeg
Jeremy Jozwik
Ken York YD Visual
Kris Holland Mafic Studios
Select imagery/video supplied by Getty Images
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Caretaker AI & Genius Loci: When Worlds Grow Minds of Their Own

To colonize the Milky Way, humanity must travel in fleets, not alone. Ark Swarms shows how interstellar swarms can secure our future among the stars.

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Credits:
 Ark Swarms
Written, Produced & Narrated by: Isaac Arthur
Graphics: Bryan Versteeg, Fishy Tree, Legion Tech, Sergio Botero
Select imagery/video supplied by Getty Images 
Music by Epidemic Sound: http://nebula.tv/epidemic & Stellardrone & ChrisZabriskie

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

Ark Swarms - Dispersing Humanity Across the Stars to Prevent Extinction

As humanity expands into space, we’ll need new ways to grow food. Explore how orbital farms could sustain billions—on Earth, Mars, and beyond.

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Watch my exclusive video Autonomous Space Industry: https://nebula.tv/videos/isaacarthur-autonomous-space-industry-when-ai-robots-run-the-economy
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Credits:
Orbital Farms - Extended Edition
Episode 471a; November 1, 2024
Produced, Narrated & Written: Isaac Arthur
Graphics:
Jarred Eagley
Jeremy Jozwik
Katie Byrne
Ken York YD Visual
Udo Schroeter
Select imagery/video supplied by Getty Images
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

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

Orbital Farms: Sustaining Life Across the Solar Frontier

Humanity’s first interstellar missions may reach Alpha Centauri—but what comes next? Explore nearby stars, colony plans, and how we’ll build civilizations beyond our stellar neighbor.

Checkout Scav: https://go.nebula.tv/scav?ref=isaacarthur
Watch my exclusive video Autonomous Space Industry: https://nebula.tv/videos/isaacarthur-autonomous-space-industry-when-ai-robots-run-the-economy
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Credits:
Beyond Alpha Centauri
Written, Produced & Narrated by: Isaac Arthur
Editors: Donagh Broderick & Merv Johnson II
Select imagery/video supplied by Getty Images 
Music by Epidemic Sound: http://nebula.tv/epidemic & Stellardrone & Chris Zabriskie

Beyond Alpha Centauri

Beyond Alpha Centauri (Narration Only)

A in-depth look at KIC 8462582, also known as Tabby's Star. We'll explore how this star became famous for an anomaly, what that anomaly was, and the various theories for what might be causing it.

Isaac Arthur

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