NASA says an astronaut has been released from the hospital after returning from space. The unidentified NASA astronaut was briefly hospitalized for an unspecified medical issue Friday shortly after returning with three others from a nearly eight-month stay at the International Space Station.

One of the four crew members, a NASA astronaut, "experienced a medical issue" and was in stable condition Friday; on Saturday, NASA announced that the crew member had been released after an overnight stay and returned to Houston. The other three crew ...

A NASA astronaut who was hospitalized upon return from the International Space Station for an unspecified medical condition was released Saturday in "good health," the US space agency said.