From cyborgs to hive minds and civilizations of pure thought, we trace the possible futures of our species through the next trillion tomorrows. Checkout Scav: https://go.nebula.tv/scav?ref=isaacarthur Watch my exclusive video Autonomous Space Industry:...
Mars once had a magnetic field—can we bring it back? Learn what new seismic data reveals about the Red Planet’s heart and whether nuclear power could restart its spin. Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now...
Mars calls to us as the next world to conquer—but should we go yet? Explore the case for and against colonizing the Red Planet, from science to strategy to survival. Checkout Scav: https://go.nebula.tv/scav?ref=isaacarthur Watch my exclusive video Autonomous Space...
Could a real alien invasion ever work? We explore the science, strategy, and staggering costs of conquering a planet—and why total destruction is often the worst plan for galactic warfare. Join this channel to get access to perks:...
Before we plant flags on alien worlds, we’ll build homes that can cross the void. This episode explores how humanity’s first interstellar colony might be born inside the ship itself. Checkout Scav: https://go.nebula.tv/scav?ref=isaacarthur Watch my exclusive video...
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:...
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:...
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:...
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 Visit our Website:...
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 shape civilizations...
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 Watch my exclusive video...
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