National Geographic Society Explorer-in-Residence Dr. Sylvia A. Earle is an oceanographer, explorer, author, and lecturer who has been called a “Living Legend” by the Library of Congress and “Hero for …

Archaeologists Hannah Morris and Becca Peixotto tell the story of their efforts to uncover remains of a new species of human relatives that are over 200,000 years old in South …

Reader’s Digest has called “Mathemagician” Arthur Benjamin “America’s Best Math Whiz.” Returning in an encore presentation, Arthur Benjamin displays feats of mental mathematical gymnastics and shares the secrets behind his skills.

The mechanism of collapsing stars falls short of explaining the existence of supermassive black holes—giants that weigh millions or even billions of times the mass of the Sun. Astrophysicist Priya …

With ever more refined techniques for measuring complex brain activity, scientists are challenging the understanding of thought, memory and emotion–what we have traditionally called “the self.”

Bestselling author Dan Brown joins physicist Brian Greene for a fascinating conversation on reality, religion, and the future of AI—just as Brown’s newest book The Secret of Secrets hits shelves. …