Ellen Stofan is the NASA chief scientist, serving as principal advisor on the agency’s science programs. Prior to her appointment, Stofan was vice president of Proxemy Research and an honorary …

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.

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, …

Can we address mysteries of quantum mechanics by supposing that properties of objects long considered to have an independent existence are actually determined solely in relation to other objects or …

It’s an old question: What is consciousness? Today, sophisticated brain imaging technologies, clinical studies, as well as the newfound ability to listen to the whisper of even an individual nerve cell, are bringing scientists closer than ever to the neurobiological basis of consciousness.

When no one is looking, a particle has near limitless potential: it can be nearly anywhere. But measure it, and the particle snaps to one position. How do subatomic objects shed their quantum weirdness?