Stealing the Ark: Could Pirates Hijack a Colony Ship?
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The Wow! Signal: Alien Message, Cosmic Fluke, or SETI’s Best False Alarm?
For 72 seconds, the universe seemed to answer SETI. The Wow! Signal was strong, narrowband, and strangely convincing... but it never came back. So what actually happened in 1977? Get Nebula using my link for 50% off an annual subscription:...
Could We Detect Earth From 100 Light Years Away?
Could an alien civilization 100 light-years away tell Earth is inhabited? We explore what our atmosphere, radio signals, city lights, and technology might reveal across interstellar space. 🚀 Join this channel to get access to perks:...
Ask Me Anything About the Future | Space, AI, Aliens & Civilization | SFIA September Live Q&A
Join Isaac Arthur for a live discussion on the future of humanity and the technologies that will get us there! 🌌 This month, we are diving deep into your questions on space megastructures, interstellar travel, and the long-term trajectory of our...
Dark Biospheres – Life on Worlds Without Sunlight
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...
What Happens Inside a Black Hole?
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...
Could a Planet Be Bigger Than Jupiter?
Could a planet grow bigger than Jupiter? Only slightly. Add more mass, and gravity starts crushing it inward instead, leading toward brown dwarfs and eventually stars. 🚀 Join this channel to get access to perks:...
Megacorporations in Space
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:...
The First Generation Problem – Who Shapes a New Civilization’s Values?
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...
Space Habitats: The Strangest Worlds We Could Build
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. Any comments, corrections, or thoughts on the video? email...