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.

Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles
Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur
Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur
Use the link  https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.

Join this channel to get access to perks:
https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join
Visit our Website: http://www.isaacarthur.net
Join Nebula: https://go.nebula.tv/isaacarthur
Support us on Patreon: https://www.patreon.com/IsaacArthur
Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur
Facebook Group: https://www.facebook.com/groups/1583992725237264/
Reddit: https://www.reddit.com/r/IsaacArthur/
Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: https://discord.gg/53GAShE

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

A Dyson Swarm isn’t just power—it’s prosperity. See how humanity could turn a star’s energy into a solar-scale economy of trillions.

Go to https://PIAVPN.com/IsaacArthur to get 83% off from our sponsor Private Internet Access with 4 months free!


Join this channel to get access to perks:
https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join
Visit our Website: http://www.isaacarthur.net
Join Nebula: https://go.nebula.tv/isaacarthur
Support us on Patreon: https://www.patreon.com/IsaacArthur
Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur
Facebook Group: https://www.facebook.com/groups/1583992725237264/
Reddit: https://www.reddit.com/r/IsaacArthur/
Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: https://discord.gg/53GAShE

Dyson Spheres and Solar Commerce: The Birth of a Stellar Economy

The future of computing might be off-world. Learn how orbital data centers could power AI, solar energy, and a thriving space industry.

Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! https://isaac-arthur-shop.fourthwall.com/

Any comments, corrections, or thoughts on the video? email Isaac.Arthur.Utube@gmail.com
Visit our Website: http://www.isaacarthur.net
Join Nebula: https://go.nebula.tv/isaacarthur
Support us on Patreon: https://www.patreon.com/IsaacArthur
Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur
Facebook Group: https://www.facebook.com/groups/1583992725237264/
Reddit: https://www.reddit.com/r/IsaacArthur/
Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: https://discord.gg/53GAShE
Credits:
Why Data Centers in Space Could Launch a New Space Economy?
Written, Produced & Narrated by: Isaac Arthur
Graphics:  Mafic Studios & Sergio Botero
Select imagery/video supplied by Getty Images 

Why Data Centers in Space Could Launch a New Space Economy?

Why Data Centers in Space Could Launch a New Space Economy? (Narration Only)

From safety protocols to philosophy, AI alignment asks a hard question: can we build artificial intelligence that truly serves humanity?
Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles
Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur
Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur
Use the link  https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.

Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! https://isaac-arthur-shop.fourthwall.com/

Visit our Website: http://www.isaacarthur.net
Join Nebula: https://go.nebula.tv/isaacarthur
Support us on Patreon: https://www.patreon.com/IsaacArthur
Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur
Facebook Group: https://www.facebook.com/groups/1583992725237264/
Reddit: https://www.reddit.com/r/IsaacArthur/
Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: https://discord.gg/53GAShE
Credits:
AI Alignment - Can We Make AI Safe?
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images 
Music Courtesy of Stellardrone, Chris Zabriskie, and Epidemic Sound http://epidemicsound.com/creator

AI Alignment - Can We Make AI Safe? (Narration Only)

AI Alignment - Can We Make AI Safe?

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.

Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles
Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur
Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur
Use the link  https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.

Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! https://isaac-arthur-shop.fourthwall.com/

Visit our Website: http://www.isaacarthur.net
Join Nebula: https://go.nebula.tv/isaacarthur
Support us on Patreon: https://www.patreon.com/IsaacArthur
Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur
Facebook Group: https://www.facebook.com/groups/1583992725237264/
Reddit: https://www.reddit.com/r/IsaacArthur/
Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: https://discord.gg/53GAShE
Credits:
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)

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?

Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles
Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur
Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur
Use the link  https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.

Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! https://isaac-arthur-shop.fourthwall.com/

Visit our Website: http://www.isaacarthur.net
Join Nebula: https://go.nebula.tv/isaacarthur
Support us on Patreon: https://www.patreon.com/IsaacArthur
Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur
Facebook Group: https://www.facebook.com/groups/1583992725237264/
Reddit: https://www.reddit.com/r/IsaacArthur/
Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: https://discord.gg/53GAShE
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)

From Asimov’s Foundation to Warhammer 40K and Twilight Imperium, science fiction is filled with collapsing empires. But could civilizational decline really explain why the Universe seems so empty?

Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles
Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur
Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur
Use the link  https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.

Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! https://isaac-arthur-shop.fourthwall.com/

Visit our Website: http://www.isaacarthur.net
Join Nebula: https://go.nebula.tv/isaacarthur
Support us on Patreon: https://www.patreon.com/IsaacArthur
Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur
Facebook Group: https://www.facebook.com/groups/1583992725237264/
Reddit: https://www.reddit.com/r/IsaacArthur/
Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: https://discord.gg/53GAShE
Credits:
Twilight Imperium - When Galactic Civilizations Ebb
Written, Produced & Narrated by: Isaac Arthur
Editor: Lukas Konecny
Select imagery/video supplied by Getty Images 
Music Courtesy of Stellardrone and Epidemic Sound http://epidemicsound.com/creator

Twilight Imperium - When Galactic Civilizations Ebb

From lunar regolith to metal-rich asteroids, this episode examines how off-world resources could spark the largest economic boom in human history — and what the fuel, transport, and political math actually looks like.

Checkout Rifftrax https://go.nebula.tv/scav?ref=isaacarthur
Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles
Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Visit our Website: http://www.isaacarthur.net
Join Nebula: https://go.nebula.tv/isaacarthur
Support us on Patreon: https://www.patreon.com/IsaacArthur
Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur
Facebook Group: https://www.facebook.com/groups/1583992725237264/
Reddit: https://www.reddit.com/r/IsaacArthur/
Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: https://discord.gg/53GAShE
Credits:
The Space Mining Boom - How Resources Will Shape the Future Economy
Written, Produced & Narrated by: Isaac Arthur
Editor: Keith Oxenrider
Graphics:  Udo Schroeter
Select imagery/video supplied by Getty Images 
Music Courtesy of Chris Zabriskie, Stellardrone & Epidemic Sound  http://epidemicsound.com/creator