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 ...

Sustaining life aboard a spacecraft is a shrewd game of resource management. Astronauts must maximize all resources, extracting every possible benefit before “waste” can truly be called waste. Given ...

Future astronauts on long-duration missions to the Moon or Mars could survive on a protein powder made from “thin air” and urine, the European Space Agency has announced. A new pilot program aims to ...

While space agencies have their eyes set on astronaut missions to the moon, Mars and beyond, there are quite a few hurdles in the way — and one of the biggest is food.

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? – ...