Civilizations at the end of time—how intelligence could survive heat death, cosmic isolation, entropy, and the universe’s longest future eras. Take back your personal data with Incogni! Use code isaacarthur at the link below and get 60% off annual plans:...
Superkilonovae & Galaxy Shapers
As the year ends, remember: galaxies aren’t shaped only by time, but by rare, violent moments. Superkilonovae—neutron star mergers powerful enough to forge gold, uranium, and the building blocks of life—quietly shaped the universe we inhabit today. 🌌✨ Join this...
Vacuum Decay – Escaping the End of Physics Itself
Discover the science behind vacuum decay, the ultimate cosmic doomsday. Go to the link: https://imprintapp.com/isaacarthur to get 25% off an annual membership Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our...
Is There a Center of the Universe?
Every galaxy thinks it’s the center of the cosmos—but in our expanding Universe, everywhere is the middle... or is it? We explore relativity, cosmic geometry, and what “center” really means. Join this channel to get access to perks:...
Exploring The Multiverse: Infinite Realities, One Grand Mystery
The universe is beyond immense, and yet it might be nothing more than a tiny dot beside the rest of reality. Support us on Patreon: https://www.patreon.com/IsaacArthur Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur Facebook Group:...
What’s the Biggest Structure in the Universe?
The cosmos is vast, but what’s the largest thing in it? From massive galactic filaments to speculative megastructures, we explore the biggest known formations in the Universe—and what might outsize even them. Join this channel to get access to perks:...
Epochs of the Universe – The Cosmic Clock & Civilization
Explore the entire life story of the cosmos, from quantum flickers at the Big Bang to the distant eras of black holes and dark energy, and discover what kinds of civilizations might endure across these unimaginable spans of time. Watch my exclusive video Mass Drivers...
Before the Big Bang – What Came Before Time?
Join us as we journey beyond the birth of the universe to unravel the mysteries of what might have preceded the Big Bang—and whether time itself had a beginning. Watch my exclusive video Mass Drivers on the Moon:...
Could We See a Second Big Bang?
From quantum tunneling to cosmic inflation, we journey through the theories behind the Big Bang and beyond — and ask the big question: could another Big Bang be in our cosmic future? Visit our Website: http://www.isaacarthur.net Join Nebula:...
Black Sun Rising: Living On A Planet Around A Black Hole
Could a planet orbiting a black hole sustain life? We dive into the challenges and wonders of living in such an extreme cosmic environment. Discover what it might be like to live near a black hole, where time slows, gravity warps, and the universe takes on a truly...
Dark Stars: Ancient Mysteries From The Dawn Of Time
🌏 Get Exclusive NordVPN deal here ➼ https://nordvpn.com/isaacarthur It’s risk-free with Nord’s 30-day money-back guarantee! Long before the first conventional stars ignited, the Universe was shrouded in darkness, a vastly different realm from what we know today. In...
Were Primitive Humans Uplifted By Aliens?
Many believe humanity's climb upward may have been assisted by outsiders. Is this possible, and if so, what does that tell us about our own past... and future? Watch my exclusive video Jupiter Brains & Mega Minds:...
