Astronaut Barry "Butch" Wilmore announced his retirement Wednesday after 25 years with NASA and serving as a U.S. Navy test ...

Astronaut Butch Wilmore is retiring from NASA less than five months after he returned from a troubled test mission that left him aboard the International Space Station far longer than expected.

NASA said in an emailed statement Wednesday that the missions ... But the missions — a free-flying satellite launched in 2014 and an instrument attached to the International Space Station in 2019 that ...