How fast is the universe expanding? Two prominent approaches are finding different answers, propelling cosmology toward a crisis. Wendy Freedman, a renowned astronomer who has spent decades seeking the expansion …

Nate Ball’s appetite for invention began with hovercrafts and Tesla coils and led to building his revolutionary ascender that uses a reliable motor to raise rescuers by a rope. These …

This video is part of our Brilliant Breakthroughs series: our new 20-episode mini-series exploring the “Eureka!” moments and proud accomplishments of the greatest scientific minds of our time. Join us …

Brian Greene sits down with theoretical physicist Rafael Bousso to explore some of the deepest puzzles in modern physics. Their conversation centers on the black hole information paradox, one of …

Renowned researchers David Chalmers and Anil Seth join Brian Greene to explore how far science and philosophy have gone toward explaining the greatest of all mysteries, consciousness–and whether artificially intelligent …

#YourDailyEquation with Brian Greene offers brief and breezy discussions of the most pivotal equations of the ages. Even if your math is a bit rusty, these accessible and exciting stories …