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 [email protected]. How do astronauts go to the bathroom in space? – ...

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 ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. For the first time in 25 years of continuous crewed ...