McClain, an Army colonel and helicopter pilot, should have taken part in the first all-female spacewalk in 2019, but there ...

An astronaut ... the International Space Station alongside Nichole Ayers. Both military officers and pilots, they launched to the orbiting lab in March to replace NASA’s two stuck astronauts ...

Don Pettit, NASA's oldest active astronaut, addressed his eventful return to Earth. Shortly after the spacecraft touched down ...