Four astronauts now carry the weight of returning humans to deep space for the first time in more than half a century. NASA ...

NASA astronaut and engineer Christina Koch threw out the ceremonial first pitch for the Philadelphia Phillies’ game against the Pittsburgh Pirates on Wednesday night at Citizens Bank Park. Koch made ...

Christina Koch has gone where no woman has gone before, but this mission to the moon isn't even the first time she's made history. The American astronaut, 47, is one of the four-person team that flew ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth draws closer to passing behind the moon in this image captured by the Artemis II crew during their lunar flyby, about six ...

Add Yahoo as a preferred source to see more of our stories on Google. On the evening of April 10, four NASA astronauts splashed down in the Pacific Ocean off the coast of San Diego, California, ...

NASA astronaut and engineer Christina Koch joins the Phillies' broadcast booth to discuss seeing Citizen's Bank Park from ...

A week after her historic moon mission ended, NASA astronaut Christina Koch struggled to walk in a straight line during a blindfold test. After posting a video showing her wobbling and nearly tipping ...

Add Yahoo as a preferred source to see more of our stories on Google. It seems like the 10-day Artemis II lunar flyby mission was pretty ruff for one astronaut’s dog. On Sunday, mission specialist ...

Add Yahoo as a preferred source to see more of our stories on Google. It’s the zero-gravity gun show. Artemis II astronaut Christina Koch set hearts aflutter and the internet ablaze with an image of ...

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." On the evening of April 10, four NASA astronauts splashed down in the Pacific Ocean off the coast of San ...