If you believe the world’s leading physicists, the vast majority of matter in the universe is hiding in plain sight. For nearly a century, evidence has mounted that the gravitational …

2018 marks the tenth anniversary of the prestigious Kavli Prize, which recognizes scientists for major advances in three research areas: astrophysics, nanoscience, and neuroscience—the big, the small, and the complex. …

Chemist Raychelle Burks is on the front lines of forensic science, developing ways to detect drugs and explosives. Episode filmed live at the 2016 World Science Festival in New York …

Acknowledging the scientists who blazed intellectual trails before him, Isaac Newton wrote, “If I have seen a little further it was by standing on the shoulders of giants.” In this special annual series, we invite our audience to stand on the shoulders of a modern-day giant. This year, we are honored to present an address by a titan of physics, Barry Barish.

We spend a third of our lives asleep. Every organism on Earth—from rats to dolphins to fruit flies to microorganisms—relies on sleep for its survival, yet science is still wrestling with a fundamental question: Why does sleep exist?

Getting old is an unavoidable truth of life. And yet, for most of modern history this mortal coil has baffled scientists. Over the past decade, however, researchers have made great strides in understanding the cellular, molecular, and genetic tableau of aging—which has brought the next question into sharp focus: Can aging be stopped?