Life on the International Space Station isn't always easy. There's not a lot of room, no showers, and no laundry. Photos show ...

Astronauts in space sleep for eight hours, despite orbiting the Earth 16 times. There are certain conditions, like not lying ...

Humans adapt. We live in trackless deserts, on the tops of mountains, in pestilential jungles, in prisons and hospitals. To survive we sleep, for we need sleep like food. We adapt to sleeping in space ...

Sleep deficiency is pervasive among astronauts before and during space flight, and the reported incidence of sleep-promoting medication use is 20 times greater than the proportion of Americans ...

Scientists are learning what short and long-duration space missions do to human bodies. Some changes are common like a puffier face, bone loss, and less sleep. Here are nine ways the harsh conditions ...

Two NASA astronauts have been stuck on the International Space Station due to Boeing Starliner delays. Butch Wilmore has been camping in a sleeping bag in the Japanese Space Agency's module, Time ...