NASA just picked a winner in its space-toilet competition. The $20,000 prize awards the best ‘lunar loo’ for moon-bound astronauts.

Letitia Denham

© NASA/Dave Mosher Left: Japan Aerospace Exploration Agency astronaut Aki Hoshide performs maintenance on the toilet in the Tranquility node of the International Space Station. Right: A space shuttle toilet simulator. NASA/Dave Mosher Before NASA can fly astronauts to the moon, it must design a toilet for the crew.  The […]