Nuclear power plants are safer than many suspect. But putting reactors in space is a concept with a checkered history. One ...

Astronomers using NASA’s James Webb Space Telescope have uncovered new clues about one of Neptune’s most unusual moons, suggesting that Nereid may be the lone surviving remnant of a violent cosmic ...

In 2028, if all goes well, NASA plans to test a new technology that could reduce trip times to the Red Planet.

Neptune's moon Nereid may be the lone survivor of an ancient cataclysmic event, according to new findings from the James Webb ...

NASA's Artemis II mission has released new images of the Earth and moon as its four-person crew travels toward a lunar flyby. The crew is set to break the record for the farthest humans have traveled ...

Neptune's mysterious, far-flung moon Nereid may be the last of the planet's original companions. Scientists at the California ...

The moon and Venus will appear close together in the night sky Monday, May 18, visible across the Northern Hemisphere.