What was the first-ever pizza delivery in space? You might be surprised to learn which classic pizza chain made the first ...

You might think sex in space would be an out-of-this-world experience — but low-gravity intimacy may not be as much of a high as it sounds.

Ever since scientists figured out how to put humans in space, they've been working to protect those humans from exposure to excessive radiation. High-energy particles from the Sun and from cosmic rays ...

Before arriving at the moon, the small satellite mission will use the gravity of the sun, Earth, and moon over several months ...

Learn about a new study that shows jumping exercises, are activities that may help astronauts maintain endurance in space.