Do we make conscious decisions? Or are all of our actions predetermined? And if we don’t have free will, are we responsible for what we do? Modern neurotechnology is now allowing scientists to study brain activity neuron by neuron to try to determine how and when our brains decide to act.

The World Science Festival’s Pioneers in Science program gives high school students from around the globe rare and intimate access to some of the world’s most renowned scientists in a …

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 …

Intelligence was once thought to be uniquely human. But researchers have discovered astonishing cognitive abilities in many other species—not just our close cousins like chimps, or fellow mammals like dolphins—but …

Thirty-five years ago string theory took physics by storm, promising the coveted unified theory of nature’s forces that Einstein valiantly sought but never found. In the intervening decades, string theory …

We’ve discovered thousands of exoplanets, but what about exomoons? Astronomer David Kipping joins Brian Greene to explore the ongoing search for exomoons—lesser-known, but intriguing potential habitats for life beyond Earth. …