The International Space Station has orbited Earth for nearly 25 years. During that time, it's housed astronauts, conducted ...

A Smithsonian historian chronicles the struggle to relieve oneself in space. One of John Glenn's urination collection bags is on display at the National Air and Space Museum. Hunter Hollins/National ...

Kathryn Sullivan said spacesuits for a women were a problem in the 1980s. For the first time in U.S. history, an all-woman team of astronauts — Anne McClain and Christina Koch — were scheduled to step ...