Astronauts face a large number of other health risks during their stay in space. In a weightless environment, muscles aren't used as much, which can lead to them weakening and atrophying. Additionally ...

After those medical checks, the astronauts will return to Florida before separating to head back to their own space agency centers. NASA will hold a teleconference tonight at 10:30 p.m. EST (0230 ...

The astronauts should have been back two months ago. But their homecoming was stalled by problems with Boeing’s new Starliner astronaut capsule, which came back empty in September because of ...