NASA astronaut Matthew Dominick enjoys a fresh delivery of orange and other fruit on the International Space Station during ...

The close-up views of asteroid Donaldjohanson are a preview of what’s to come for Lucy on its 12-year quest to study Jupiter’s Trojan asteroids ...

This asteroid is bigger than scientists anticipated, about 5 miles long and 2 miles wide at its widest point — resembling a deformed peanut.

Don Pettit arrived in Space City on Sunday (April 20), which happened to be his 70th birthday.

Hubble Space Telescope images of Jupiter have been "photo-mapped onto a sphere," and animated into a full rotation, according ...

Longtime NASA astronaut Don Pettit, who has ventured to space four times, returned to Earth Saturday from the International ...

Not every space traveler has worn a suit or walked upright. From monkeys to microscopic marvels, these species show how far ...