Astronaut urine has been recycled into drinking water, NASA says 98 percent.

NASA astronaut Kayla Barron replaces a filter in the Brine Processor Assembly space station.

The idea of ​​drinking water recycled from urine may rightfully make some squeamish, no matter how insistent the experts are that it’s perfectly safe to consume. But for astronauts preparing for long journeys to the lunar surface or even the remotest parts of space, such an option could prove vital to ensuring their basic needs … Read more