NASA astronaut Don Pettit shares a long-exposure photograph that captured the curve of Earth, the glow of the planet's ...

NASA appeared to downplay the meeting, but Russia suggested further cooperation may be possible beyond near-Earth space.

As NASA prepares to unveil plans for a nuclear reactor on the moon, experts warn that the world is now entering an ...

Bacteria sent up includes E. coli — which is responsible for hundreds of thousands of cases of stomach illnesses each year in ...