Most people picture astronauts floating weightlessly through gleaming corridors, and that image is accurate enough during the waking hours. Sleep, though, is a different matter. When the lights go ...

Discover how isolation at Antarctica's Concordia Station affects brain health and sleep quality, drawing parallels to future ...

This is how the four astronauts sleep, use the bathroom and work out during their 10-day mission to the moon and back. Anna Gragert Senior Editor, Health and Home Anna Gragert (she/her/hers) was ...

Add Yahoo as a preferred source to see more of our stories on Google. On the evening of April 10, four NASA astronauts splashed down in the Pacific Ocean off the coast of San Diego, California, ...

PULLMAN, Wash. — In space, traditional day and night don't exist, making it hard for astronauts to be in tune with their natural sleep cycle. A new test developed at Washington State University hopes ...