NASA - National Aeronautics and Space Administration

Two NASA astronauts will stay longer at the International Space Station as engineers troubleshoot problems on Boeing’s new...

The announcement came on the same day that the crew of the ISS had to unexpectedly board their capsules to wait for the...

Two astronauts are spending extra time at the International Space Station as NASA and Boeing troubleshoot capsule problems...

Since NASA introduced its first group of astronauts, the so-called “Mercury 7,” in 1959, Douglas' selection marked only the...

New research shows space tourists experience some of the same body changes as astronauts who spend months in orbit.

Anders graduated from the Naval Academy in 1955 and served as a fighter pilot in the Air Force.

Boeing’s new capsule arrived at the International Space Station, delayed by last-minute thruster trouble that almost derailed...

Like the inaugural Boeing Starliner crew are set to do, here are the U.S. military astronauts who have flown to space as...

As the U.S. and its partners involved in the International Space Station work through another possible down-to-the-wire...

Col. Nick Hague, a U.S. Space Force officer, is set to launch into space on a NASA mission to the International Space Station...