Herschel, a floating space observatory carrying the largest telescope ever flown in space, has reached the end of its lifespan.
Europe's 20-tonne freighter, the Albert Einstein ATV, docks with the International Space Station high over the Pacific Ocean.
Going to Mars means staying on Mars. If our mission succeeds, we will become a two-planet species.
NASA announced its new class of astronauts this week, the first in four years. The folks at the National Aeronautics and Space Administration are ...
Jessica Meir, who grew up in Caribou, is the youngest of five in a family of overachievers.
Half of NASA's newest astronaut recruits are women, but that wasn't always the case.