How confident are we that most matter in the universe has so far escaped detection? And if there is dark matter, might there be dark stars and even a dark …

Mathematical mysteries have challenged humanity’s most powerful thinkers and inspired passionate, lifelong obsessions in search of answers. From the strangeness of prime numbers and the nature of infinity, to the turbulent flow of fluids and the geometry of hyperspace, mathematics is our most potent tool for revealing immutable truths.

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 …

Dive into the deepest quantum mystery: how do we transition from a haze of possibilities to the concrete reality we experience? Does the answer require a profusion of universes, each …

Astronauts who’ve lived on the International Space Station and “walked” in space tell all: what it’s like to ride on a space ship, and to eat, sleep, exercise, and even do science—in space.

Did the molecules that make up life ride to earth on an asteroid? Planetary scientists Jessica Barnes and Phil Bland join Brian Greene to discuss NASA’s recent rendezvous with Bennu, …