Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Forget all the scientific advances, the most popular question asked of astronauts is much more primal: How do you use the restroom? Suction is needed to counteract the lack of gravity, and it's not ...

Astronaut Tim Peake showed the world how to keep clean in outer space in a cool instructional video. Uploaded to YouTube on Jan. 26, Peake shows the process of how astronauts aboard the International ...

Add Yahoo as a preferred source to see more of our stories on Google. Whether you use a hole in the ground or a fancy gold-plated toilet, on Earth, gravity pulls your waste down and away from you. For ...