Imagine taking an elevator to space. Or blasting off in a nuclear rocket. That might sound like science fiction, but scientists are racing to develop new, more efficient methods of space travel - and ...

(This program is no longer available for online streaming.) "Earth From Space" is a groundbreaking two-hour special that reveals a spectacular new space-based vision of our planet. Produced in ...

(This video is no longer available for streaming.) It costs about $500 million to take the space shuttle out for a spin. But what if there was another way to get to space? And what if that way were as ...

Black holes get a bad rap. They’ve been cast as the monsters of the cosmos — gobbling up stars and stretching anything that gets too close into cosmic spaghetti. But Black Hole expert Janna Levin has ...

For more than 50 years, NOVA has been inspiring people with stories of science that spark curiosity and illuminate the ways that science can solve important problems and improve lives. In classrooms ...

Space elevators? Nuclear rockets? The future of space travel could look radically different. Imagine taking an elevator to space. Or blasting off in a nuclear rocket. That might sound like science ...