Our neighboring planets are not exactly the most hospitable places. Humans have been talking about space colonization for quite some time, but our neighboring planets are not exactly the most ...

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 ...

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 ...

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 ...