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 ...

The astronauts who will depart the International Space Station on Sunday will be stuck using diapers on the way home because of their capsule's broken toilet. NASA astronaut Megan McArthur described ...

HOUSTON—NASA has joined with crowdsourcing network HeroX to seek a strategy for the elimination of lunar astronauts’ bodily wastes under its “Lunar Loo Challenge.” NASA previously partnered with the ...