Beneath the surface of the Moon lie vast underground caverns, some of which are miles long and wider than football fields, and they may make for excellent settlement sites.

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Living In Lava Tubes
Episode 443; April 18, 2024
Produced, Written & Narrated by: Isaac Arthur

Living In Lava Tubes (Narration Only)

We often imagine encountering many alien civilizations, and establishing trade and relationships with them, but what would being an alien ambassador be like?

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Alien Embassies
Episode 446a; May 12, 2024
Written, Produced & Narrated by: Isaac Arthur
Editors: Briana Brownell & Mark Warburton

Alien Embassies (Narration Only)

We think very highly of the human brain, after all, it's what lets us think about anything in the first place, but Nature is vast, and our primate brains are not the end-all and be-all of neural engineering.

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Credits:
Alternative Intelligence: The Other A.I.
Episode 448; May 23, 2024
Produced & Narrated by:
Isaac Arthur
Written by: Erik Eldritch & Isaac Arthur
Editor: Darius Said

Music Courtesy of
Epidemic Sound http://epidemicsound.com/creator
Stellardrone, "Red Giant", "Ultra Deep Field", "Cosmic Sunrise"
Sergey Cheremisinov, "Labyrinth", "Forgotten Stars"
Taras Harkavyi, "Alpha and ..."
Miguel Johnson, "So Many Stars"

Alternative Intelligence: The Other A.I.

One day we may settle thousands of planets and trade between them, but what would a space freighter be like, who would crew them, and what would they carry?

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Space Freighters: Cargos & Crews 
Episode 448a; May 26, 2024
Written, Produced & Narrated by: Isaac Arthur
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Space Freighters, Cargos & Crews

Ganymede is an enormous moon, larger than any other we’ve found, including our own, and may one day be the centerpiece of wider human settlements around Jupiter.

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Credits:
Colonizing Ganymede
Episode 449; May 30, 2024
Written, Produced & Narrated by: Isaac Arthur

Music Courtesy of
Epidemic Sound Epidemic Sound http://epidemicsound.com/creator
Stellardrone, "Ultra Deep Field", "Red Giant", "Billions and Billions", "Cosmic Sunrise"
Lombus, "Hydrogen Sonata", "Cosmic Soup"