Are we alone in this vast universe? Some think that’s highly unlikely. With new technologies joining the search, NASA estimates we’ll find definitive evidence of aliens within 20 to 30 …

World renowned neurophysiologist and computational neuroscientist Christof Koch joins Brian Greene to discuss how decades of experimental and theoretical investigation have shaped his understanding of consciousness and the brain — …

How did Eric Lander go from being an extremely talented and accomplished mathematician to making one of the most important contributions to the field of genetics? We take a look …

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.

The deadly scourge of cancer has confounded doctors since ancient Egypt. Now, The Cancer Genome Atlas (modeled after the Human Genome Project) promises a new and powerful approach in this age-old battle.

Astronauts who’ve lived on the International Space Station and “walked” in space tell all: what it’s like to ride on a space ship, and to eat, sleep, exercise, and even do science—in space.