Actor Marlee Matlin joins groundbreaking researchers in deafness and for a wide-ranging discussion of cutting-edge research and how it will affect lives. Recent breakthroughs in vision and hearing mean many …

The powerful James Webb Space Telescope–the successor to the Hubble Space Telescope–promises insight into profound questions that have dogged philosophers and astronomers for millennia. What is the origin of the …

Cosmologist Hiranya Peiris joins Brian Greene to discuss pressing cosmological mysteries spanning dark matter, dark energy, the expansion rate of space, and the possibility of a multiverse.

Albert Einstein shattered previous ideas about time, but left many pivotal questions unanswered: Does time have a beginning? An end? Why does it move in only one direction? Is it real, or something our minds impose on reality?

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?

Forget what you think you know about dark matter. After a 30-year search for a single, as yet unidentified, species of dark matter particle that would make up some 25% of the mass of the universe, physicists are starting to consider novel explanations.