Astronauts aboard the International Space Station were directed into their docked Soyuz escape craft after the air leak rate in the Russian Zvezda service module’s transfer tunnel doubled to roughly ...

Getting to space is hard. In many ways, getting back is even harder. NASA soon aims to pull off the kind of re-entry it last conducted more than 50 years ago: safely returning astronauts to Earth ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore, recently returned from nine months in outer space, hold a press ...

Sept. 23 (UPI) --NASA officials say its Mars-bound ESCAPADE spacecraft is back in Florida and is being prepped for its scheduled launch this fall. NASA's twin spacecrafts of its Escape and Plasma ...

An innovative set of four small spacecraft were launched early Thursday aboard a Rocket Lab Electron rocket from Wallops Island, Virginia. The mission is designed to evaluate both the performance of ...

The same historic facilities that some 50 years ago prepared NASA's twin Voyager probes for their ongoing interstellar odyssey are helping to ready a towering commercial spacecraft for a journey to ...