But if you were able to hike on one of Saturn's outermost rings, you'll walk about 12 million kilometers to make it around the longest one. That's about 15 round trips from the Earth to the moon.

NASA used the Saturn IB for flight tests early on in the Apollo program, but this type of rocket never actually launched astronauts to ... US to live in all year round, according to data Warren ...

On an episode of “The Story Behind the AP Story,” Associated Press space writer Marcia Dunn discusses the space odyssey of ...

We’ve got so many prizes in the package for the fourth round of Astronaut or Not that we’re just showing you a few in this image. On Friday morning we’ll be drawing a random number and ...