The Crew-11 mission is coming to an early end so that one of its members can receive medical attention back on Earth.
The Moon's weaker gravity results in slightly faster clocks than on Earth.
With launch potentially just three weeks away, the agency is working tirelessly to get the SLS rocket, Orion spacecraft, and the Artemis 2 crew ready for liftoff.
The recent discovery has left astronomers dumbfounded.
The silver lining is that there may be a privately funded alternative in the works.
The fact that Crew-11 is the first to leave the International Space Station early due to a medical issue is a testament to the safety of NASA’s human spaceflight program.
One of the test stands was last used as a drop tower for microgravity testing.
Way out there in the asteroid belt is an object that's spinning so fast, scientists are surprised it hasn't flown apart.
Two NASA astronauts were planning to conduct a spacewalk outside the International Space Station on Thursday, but now, it appears they may be coming home early.
Decades in the making, NASA's X-ray timelapse shows a stellar explosion expanding into space at up to 2% the speed of light.