Explore the hidden frontiers of the cosmos — from dark matter and rogue planets to quantum mysteries — and uncover the Universe’s greatest unopened gifts of discovery. Watch my exclusive video Rogue AI Empires:...
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...
What If the Big Bang Never Happened?
The Big Bang is the reigning explanation for our universe’s origin—but what if it’s wrong? This episode dives into cosmic controversies and the theories that challenge everything we thought we knew. Watch my exclusive video Mass Drivers on the Moon:...
What is a ‘Hubble Volume’?
Terms like Universe, Observable Universe, and Hubble Volume often get used interchangeably and explained in very technical terms, but simply put, what are they and how do they differ?
How Many Stars & Galaxies Could We Colonize?
The Universe is vast, and even voyages to neighboring stars may decades under known science, so how far can humanity colonize out into our galaxy or beyond? Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound...
Intergalactic Voyages
Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video on Conformal Cyclic Cosmology: https://nebula.tv/videos/isaacarthur-conformal-cyclic-cosmology Far beyond our Moon and Mars and the other planets is...
Black Holes & Dark Matter
Visit https://brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription. Black Holes and Dark Matter are two of the most mysterious things in the Universe, but could black holes be the...
Civilizations at the End of Time: The Big Rip
The first 1,000 people to use this link will get a 1 month free trial of Skillshare: https://skl.sh/isaacarthur01221 Current science and cosmology tell us the Universe will slowly die and ebb away countless trillions of trillions of years from now, but another model -...
The Compendium of Doom, Part 1
A discussion of various theories for the End of the Universe. Watch part 2 here: https://www.youtube.com/watch?v=XLTb0V1BGNw How the Universe began and why is a question that's obsessed humanity for at least as long as civilization has existed, at the same time, how...
Dark Energy
A look at Dark Energy, explaining and simplifying the concept around it, the Cosmological Constant, the Lambda-CDM model, and Vacuum & Zero-Point Energy. Sean Carroll discusses Energy Coinservation:...
