A NASA astronaut who was briefly hospitalized after returning from space has been released, the space agency said Saturday.

The one astronaut who remains at Ascension is in stable condition under observation as a precautionary measure.' ...

CAPE CANAVERAL, Fla. (AP) — NASA says an astronaut is in the hospital as a 'precautionary measure' after returning from an extended stay in space.

Dried cells—it’s what’s for dinner. At least that’s what a new crop of biotech startups, armed with carbon-guzzling bacteria ...