Private companies are now major players in space. How can they be held accountable if they damage the property of others or ...

Since those early steps, extravehicular activity has helped provide the solutions to many problems that astronauts face in ...

Magdrive is working on three versions of its space thrusters, and because they run on solid metal, they might one day even be powered by space junk collected directly in orbit, turning it from threat ...

The Earth and a starry night appear to merge into one strange and otherworldly sci-fi trip in this mind-bending photo ...

Get ready to shift into gear and roll across America with our in-depth guide to everything you need to know about road trips.