Science & Futurism with Isaac Arthur

Could life thrive without sunlight? Explore dark biospheres on rogue planets, icy moons, and buried oceans, where chemistry, tidal heating, and geothermal energy may sustain alien ecosystems in eternal night. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Otusider Aliens and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-...

What really happens when you fall into a black hole? We explore event horizons, spaghettification, what you’d see inside, possible gateways, and why future civilizations might deliberately build around these cosmic engines. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Otusider Aliens and our Alien Life Collection: https://nebula.tv/isaacart...

What really happens when you fall into a black hole? We explore event horizons, spaghettification, what you’d see inside, possible gateways, and why future civilizations might deliberately build around these cosmic engines. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Otusider Aliens and our Alien Life Collection: https://nebula.tv/isaacart...

From company towns in orbit to corporate empires among the stars, could megacorporations build the space frontier—or end up owning the air, the docks, and the only ride home? Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Otusider Aliens and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-collection 🛒 SFIA Merchandise: ht...

From company towns in orbit to corporate empires among the stars, could megacorporations build the space frontier—or end up owning the air, the docks, and the only ride home? Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Otusider Aliens and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-collection 🛒 SFIA Merchandise: ht...

What happens when a colony ship’s children inherit a mission they never chose? We explore the values, conflicts, and founding myths that shape civilizations born between Earth and the stars. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Otusider Aliens and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-collection 🛒 SFIA...

What happens when a colony ship’s children inherit a mission they never chose? We explore the values, conflicts, and founding myths that shape civilizations born between Earth and the stars. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Otusider Aliens and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-collection 🛒 SFIA...

Build a world small enough to circle in a day—or vast enough to house a galaxy. This grand tour explores the strangest space habitats possible under known physics. Get a 50% Match for your donation - https://www.farmkind.giving/isaac 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/ 🌐 Visit our Website: http://www.isaacarthur.net ❤️ Support us on Patreon: https://www.patreon.com/Isaa...

Build a world small enough to circle in a day—or vast enough to house a galaxy. This grand tour explores the strangest space habitats possible under known physics. Get a 50% Match for your donation - https://www.farmkind.giving/isaac 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/ 🌐 Visit our Website: http://www.isaacarthur.net ❤️ Support us on Patreon: https://www.patreon.com/Isaa...

Aboard a relativistic starship, time is cargo: gamma-10 cruise, decades slipping by outside, lethal dust grains, beam routes, antimatter, ramjets, and the strange culture of crews who trade history for the stars. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Otusider Aliens and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-l...

Aboard a relativistic starship, time is cargo: gamma-10 cruise, decades slipping by outside, lethal dust grains, beam routes, antimatter, ramjets, and the strange culture of crews who trade history for the stars. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Otusider Aliens and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-l...

Are we living in a simulation, or are we becoming the simulators? From AI worlds to digital immortality and the Fermi Paradox, we explore reality’s weirdest possibility. 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/ 🌐 Visit our Website: http://www.isaacarthur.net ❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur ⭐ Support us on Subscribestar: https://www.subscribesta...

Are we living in a simulation, or are we becoming the simulators? From AI worlds to digital immortality and the Fermi Paradox, we explore reality’s weirdest possibility. 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/ 🌐 Visit our Website: http://www.isaacarthur.net ❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur ⭐ Support us on Subscribestar: https://www.subscribesta...

Mars won’t get cities because it becomes easy to live there. It gets cities because people stay. We explore how the first fragile outposts become homes, economies, neighborhoods, and civilization. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out TierZoo Remastered: https://nebula.tv/tierzoo/tierzoo-remastered?ref=isaacarthur Ares Inception on...

Mars won’t get cities because it becomes easy to live there. It gets cities because people stay. We explore how the first fragile outposts become homes, economies, neighborhoods, and civilization. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out TierZoo Remastered: https://nebula.tv/tierzoo/tierzoo-remastered?ref=isaacarthur Ares Inception on...

Could life survive in oceans that eat glass and treat water as poison? Explore fluorine-rich biology, hydrogen fluoride seas, and alien creatures whose metabolisms resemble carefully contained rocket engines. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out TierZoo Remastered: https://nebula.tv/tierzoo/tierzoo-remastered?ref=isaacarthur 🛒 SFI...

Could life survive in oceans that eat glass and treat water as poison? Explore fluorine-rich biology, hydrogen fluoride seas, and alien creatures whose metabolisms resemble carefully contained rocket engines. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out TierZoo Remastered: https://nebula.tv/tierzoo/tierzoo-remastered?ref=isaacarthur 🛒 SFI...

Can you survive inside a star? The answer is stranger than “no.” Explore plasma storms, red giants, magnetic shields, and how future civilizations might turn stars into fortresses. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Colonizing Ocean Worlds: https://nebula.tv/videos/isaacarthur-colonizing-ocean-worlds-subaquatic-set...

Can you survive inside a star? The answer is stranger than “no.” Explore plasma storms, red giants, magnetic shields, and how future civilizations might turn stars into fortresses. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Colonizing Ocean Worlds: https://nebula.tv/videos/isaacarthur-colonizing-ocean-worlds-subaquatic-set...

The Moon may be dusty and desolate, but its future could be full of traffic. In this extended edition, we explore how mass drivers, rockets, space elevators, and orbital logistics could turn the Moon into the industrial gateway of the Solar System. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch Mad Kings: https://nebula.tv/madkings?ref=isaacarth...

The Moon may be dusty and desolate, but its future could be full of traffic. In this extended edition, we explore how mass drivers, rockets, space elevators, and orbital logistics could turn the Moon into the industrial gateway of the Solar System. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch Mad Kings: https://nebula.tv/madkings?ref=isaacarth...

What if the future of industry isn’t giant factories, but molecular machines too small to see? DNA factories could repair bodies, grow habitats, and transform civilization. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Colonizing Ocean Worlds: https://nebula.tv/videos/isaacarthur-colonizing-ocean-worlds-subaquatic-settlements...

What if the future of industry isn’t giant factories, but molecular machines too small to see? DNA factories could repair bodies, grow habitats, and transform civilization. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Colonizing Ocean Worlds: https://nebula.tv/videos/isaacarthur-colonizing-ocean-worlds-subaquatic-settlements...

Space colonies may reach the stars… then collapse. From fragile ecosystems to genetic drift and incentive failure, how do new settlements survive long enough to become civilizations? Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch Mad Kings: https://nebula.tv/madkings?ref=isaacarthur 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/...

Space colonies may reach the stars… then collapse. From fragile ecosystems to genetic drift and incentive failure, how do new settlements survive long enough to become civilizations? Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch Mad Kings: https://nebula.tv/madkings?ref=isaacarthur 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/...