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 ...

The crew will launch aboard NASA’s towering Space Launch System (SLS) rocket at the Kennedy Space Center, lifting off atop ...

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

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 ...

Coming up with a practical way of replicating the earthbound poop experience took many years, many engineers, and a whole lot of ingenuity.