The test strip will allow spacefarers and other late-shift workers to track their melatonin, a hormone that tells the body to ...

Cocooned in sleeping bags and floating upside down, the Artemis II crew reported having some of the best sleeps of their ...

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 ...

Fresh off her Artemis II Moon mission, the record-breaking astronaut speaks to Harper’s Bazaar about everything from the ...

Going to space is hard on the human body for a number of reasons. The microgravity environment causes muscle and bone loss and leads to fluids pooling in the upper parts of the body. Being in space ...

Artemis II astronauts sleep “like a bat” or wherever they can fit themselves comfortably in their crammed spacecraft quarters as they hurtle through space towards the moon, NASA mission commander Reid ...

After decades of research, scientists may have a seemingly unlikely solution: a sleeping bag, developed in conjunction with REI, that pulls fluids away from the brain. A concern that has emerged ...

Those of us inspired by their mission back home on Earth also have greater appreciation for some everyday skills that prove ...

Russian astronaut Vasily Tsibliyev hadn’t had a good night’s sleep for 12 days. He was being kept awake on purpose, as part of a study about sleeping on board the space station Mir. On the 13th day, ...