Spending time in the weightless environment of microgravity can have some dramatic effects on the human body, but scientists have recently discovered a new one that could help explain why some ...

Add Yahoo as a preferred source to see more of our stories on Google. Four astronauts, including one who had developed a health problem last week, splashed down in the Pacific overnight. ITV News ...

Four astronauts are returning to Earth early from the International Space Station due to a medical issue with one of them. This marks the first time a crew has evacuated the station for a medical ...

LOS ANGELES — Four astronauts aboard a SpaceX Crew Dragon capsule splashed down early Thursday in the Pacific Ocean, ending a weeklong effort to get an unnamed crew member home to evaluate a medical ...

NASA astronauts Butch Wilmore and Suni Williams, who traveled to the International Space Station last June for what was initially a one-week mission, are now preparing for their return home after an ...

CAPE CANAVERAL, Fla. -- An ailing astronaut returned to Earth with three others on Thursday, ending their space station mission more than a month early in NASA's first medical evacuation. SpaceX ...

An astronaut in need of medical care has returned to Earth alongside three crewmates, cutting their space station mission short by over a month in NASA's first-ever medical evacuation. The SpaceX ...