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, …

For all their historical tensions, scientists and religious scholars from a wide variety of faiths ponder many similar questions—how did the universe begin? How might it end? What is the origin of matter, energy, and life?

Have you ever spent hours looking for something you just know is there, only to be doubted? In 1987, most astronomers thought there was nothing in the outer solar system, …

Marcia Bartusiak joins Kip Thorne, Laura Danly and Rainer Weiss to demonstrate how two observatories on opposite sides of the country, called LIGO (Laser Interferometer Gravitational-wave Observatory), may open a new window on observing the cosmos—one based not in light but in gravity.

Using brainwaves to send a Tweet, biomechanical engineer Adam Wilson demonstrates how neural prosthetic devices can allow people with motor disabilities to communicate with the outside world. Episode filmed live …

Meet “Barf” the turkey vulture and learn from Tanya Lowe what it’s like to be a conservationist. Episode filmed live at the 2015 World Science Festival in New York City. The …