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 ...

Human spaceflight created unexpected challenges, including how astronauts use the bathroom in a weightless environment. Early missions relied on simple containment systems, but longer flights required ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Astronauts on Mars could ...

By fertilizing inorganic regolith with organic human waste that has been processed through bioreactors, future astronauts ...