Stealing the Ark: Could Pirates Hijack a Colony Ship?
Latest Videos
After Mars – 8 Candidates For Where Humanity Should Go Next
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...
New Dwarf Planet Discovered… A Minor Planet With a Major Future?
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. Visit our Website: http://www.isaacarthur.net Join Nebula:...
Exploring The Multiverse: Infinite Realities, One Grand Mystery
The universe is beyond immense, and yet it might be nothing more than a tiny dot beside the rest of reality. Support us on Patreon: https://www.patreon.com/IsaacArthur Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur Facebook...
Orbital Foundries & Zero G Manufacturing – Building in Space
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. Support us on Patreon: https://www.patreon.com/IsaacArthur Support us...
Space Factories Are Here… Better Chips Than Earth?
Semiconductors built in orbit are already outperforming Earth-made chips. Space Forge and United Semiconductors just proved zero-gravity manufacturing could change computing forever. Join this channel to get access to perks:...
Is 3I/ATLAS an Alien Artifact?
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? Watch my exclusive video The Economics of Immortality:...
Life in Methane Oceans: Could Aliens Evolve on Titan-like Worlds?
Could life thrive in seas of methane instead of water? We explore Titan-like worlds and the alien ecosystems they might harbor. Watch my exclusive video The Economics of Immortality: https://nebula.tv/videos/isaacarthur-the-economics-of-immortality...
Space Habitat Clusters & Conglomerations
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. Watch my exclusive video The...
Life on Mars? Perseverance’s Sapphire Canyon Discovery
NASA’s Perseverance rover may have found the best hint yet of Martian life — strange minerals in Jezero Crater that could be microbial fingerprints… or just clever geology. Visit our Website: http://www.isaacarthur.net Join Nebula:...