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.

Winner of the 2020 Nobel Prize in Physics, Sir Roger Penrose joins Brian Greene to share insights into black holes, general relativity, quantum mechanics, the mathematical road toward reality, the …

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.

A few decades ago, we knew of no other planets beyond those in our solar system. Today, astronomers have confirmed over 700 planets circling other suns and believe billions more lay undiscovered.

IBM’s Watson has the ability to make a diagnosis. Apps can track and monitor patient emergencies. Our phones may soon be our medical advisers. Preventive and diagnostic medicine is on the cusp of an AI revolution that will no doubt save lives.

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?