After a storied career with 5 spaceflights (including three trips to fix the Hubble Space Telescope), NASA astronaut John Grunsfeld now helms the space agency’s scientific missions. He helps shepherd …

A century after Einstein’s mathematics suggested the possibility of black holes, the Event Horizon Telescope (EHT) is finally observing them. The project’s latest achievement is the first image of the …

Paralyzed patients are starting to walk with the aid of exoskeletons and doctors are testing artificial retinas in the blind thanks to neuroprosthetics: surgical brain implants that restore some function …

Bestselling author and religious historian Karen Armstrong joined Brian Greene for a conversation exploring humankind’s evolving relationship with the Earth, life, and the cosmos. To save ourselves and the planet, …

Are we alone? It’s a question that has obsessed us for centuries, and now we have the technology to do more than wonder. Scientists on the hunt for distant planets and extraterrestrial intelligence explore faraway galaxies and barely visible realms.

Car accidents. Suicide bombers. Earthquakes. Death of a spouse. Why do some people bounce back from traumatic events while others do not? Is there a biological profile of resiliency?