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 ...

(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 can reshape entire galaxies, warp the fabric of space and time. Take a seat on the ultimate thrill ride to explore nature's strangest and most powerful objects. Black holes can reshape ...

For over 50 years, NOVA has been telling stories of science that bring you – our viewers – along with us on incredible journeys to experience the awe and wonder of our universe. Together, we’ve ...

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 ...