The neutrino is among the cagiest of particles, a subatomic wisp so ephemeral it could pass through light years of lead with more ease than a hot knife through butter.

Icarus at the Edge of Time is a mesmerizing tale set in outer space about a boy who challenges the awesome might of a black hole. Based on the children’s book by physicist Brian Greene, this futuristic re-imagining of the classic myth takes audiences of all ages on a whirlwind voyage through space and time to the very edge of understanding.

School’s out, but science never stops. High School students around the world: bring your curiosity and your questions for a live Q+A with Brian Greene covering black holes, time travel, …

Though many animals display cooperative behavior, human cooperation is distinct. Alan Alda hosts E.O. Wilson, Sarah Hrdy and other leading evolutionary biologists, anthropologists and humanitarians as they examine the origins and evolution of human cooperative behavior.

A self-driving car has a split second to decide whether to turn into oncoming traffic or hit a child who has lost control of her bicycle. An autonomous drone needs to decide whether to risk the lives of busload of civilians or lose a long-sought terrorist. How does a machine make an ethical decision?

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 …