Remember Tang? If you're not familiar with this flavored drink mix, here's what to know about how it came to prominence and where you can find some.

Astronauts always eat steak and eggs before they venture into space on rocket ships. But why has that become NASA's ...

Buzz Aldrin, the former NASA astronaut, was medically evacuated from the South Pole, where he was visiting as part of a tourist group. (Adam Bettcher/Getty Images for WE ) For most people ...