More than half a century after astronauts last left the lunar surface, NASA is preparing to send a crew of four back to the moon on a fly-by mission that will sling them around the far side.

A dress rehearsal countdown for NASA's Artemis II moon rocket, intended to clear the way for a possible February launch, ran into a variety of problems and ultimately was called off early Tuesday beca...

As well as the first return of people to the vicinity of the moon in more than 50 years, Christina Koch and Victor Glover will become the first woman and first person of colour respectively to travel ...