Add Yahoo as a preferred source to see more of our stories on Google. No rest for the weary: The Artemis II astronauts have kept busy for nearly two weeks since they returned to Earth from one of ...

Astronaut hip fractures were more common after missions of 90 days or more, at a rate men on Earth usually reach a decade or more later.

Another crew of astronauts is rotating home after a nearly eight-month deployment to the final frontier. NASA SpaceX Crew-12—NASA astronauts Jessica Meir and Jack Hathaway, European Space Agency ...