Stealing the Ark: Could Pirates Hijack a Colony Ship?
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Orbital Bombardment: Why the High Ground Doesn’t Win
In space warfare, the high ground isn’t what it seems. Explore why orbital fleets burn fuel, face gravity, and may often lose to worlds with limitless defenses below. Join this channel to get access to perks:...
Doomsday Devices & Ontological Weaponry
From nuclear nightmares to reality-breaking weapons, we examine how science and fiction imagine the end of everything. What happens when weapons don’t just destroy worlds but unmake reality itself? Explore the science of apocalypse. Checkout Scav:...
The Space Mining Boom – How Resources Will Shape the Future Economy
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 Scav:...
Infinite Time, Finite Odds: When ‘Eventually’ Never Happens
In a finite universe, even endless time can’t make every possibility real. We explore why some odds never pay off—no matter how long you wait. Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join...
Insectoid Aliens – Hive Minds, Swarms, and Alien Evolution
Go to https://PIAVPN.com/IsaacArthur to get 83% off from our sponsor Private Internet Access with 4 months free! Forget little green men — the galaxy’s most likely aliens may be hives and swarms. From biology to starships, insectoid life could...
The Fermi Paradox – Forbidden Zones
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? Checkout Rifftrax https://go.nebula.tv/rifftrax?ref=isaacarthur...
How Long Could You Survive in Space Without a Suit?
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:...
Caretaker AI & Genus Loci
Meet the caretaker AIs: guardians of planets, habitats, and civilizations. What happens when machines become the spirit and soul of the worlds they protect? Checkout Rifftrax https://go.nebula.tv/rifftrax?ref=isaacarthur Watch my exclusive video...
Twilight Imperium: When Galactic Civilizations Ebb
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 -...