Uploaded October 2025 | Updated September 2026, 2 weeks ago
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: nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles
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Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.
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Visit our Website: isaacarthur.net
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Twitter: twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: 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?
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: nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles
Get Nebula using my link for 40% off an annual subscription: go.nebula.tv/isaacarthur
Get a Lifetime Membership to Nebula for only $300: go.nebula.tv/lifetime?ref=isaacarthur
Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.
Join this channel to get access to perks:
youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join
Visit our Website: isaacarthur.net
Join Nebula: go.nebula.tv/isaacarthur
Support us on Patreon: patreon.com/IsaacArthur
Support us on Subscribestar: subscribestar.com/isaac-arthur
Facebook Group: facebook.com/groups/1583992725237264
Reddit: reddit.com/r/IsaacArthur
Twitter: twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: 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?
