NASA's Suni Williams and Butch Wilmore made a gentle splashdown off the coast of Florida after an unexpectedly long stay on ...

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 ...

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