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

So, how do astronauts get their clothes clean during missions? Call it a dirty secret: They don’t. Instead, worn clothes get burned. When astronauts on the International Space Station (ISS), shuttle ...

Following is a transcript of the video. This funny looking little guy can survive boiling hot water, outer space, and decades without food or water. It's called a "tardigrade" or "water bear".