On September 14th, 2015, a ripple in the fabric of space, created by the violent collision of two distant black holes over a billion years ago, washed across the Earth. As it did, two laser-based detectors momentarily twitched, confirming a century-old prediction by Albert Einstein and marking the opening of a new era in astronomy.

For millennia, psychedelic substances have been used as sacraments, medicines, and tools to shift consciousness and expand the mind. Why have these compounds captivated humans for so long and how …

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 …