The pair of NASA astronauts who have been in space for over nine months returned to Earth Tuesday after a new crew to replace them reached the ISS over the weekend.

The pair of Boeing Starliner astronauts left behind on the International Space Station are finally on their way back to Earth ...

The Blue Ghost spacecraft, named for a species of firefly, took eclipse chasing to new heights. Not only did it see the Earth block the Sun from an unexplored location on the Moon, but the lander fell ...