NASA has replaced two bigwigs in its human spaceflight program, just a week after releasing a report criticizing how the agency handled the first crewed flight of Boeing's Starliner astronaut taxi.

Why did a $72 million mission to study water on the moon fail so soon after launch? A new NASA report has the answer.

NASA's Mike Fincke has identified himself as the astronaut whose medical condition prompted the space agency's first medical evacuation.

The uncrewed spacecraft undocks from the International Space Station and returns research and cargo to Earth.

The latest images from NASA’s James Webb Space Telescope have revealed new details in a mysterious, little-studied nebula surrounding a dying star.

A NASA astronaut has shared a breathtaking 60x speed time-lapse from orbit, capturing lightning storms, blazing sunsets and moonlit oceans in one sweeping view of Earth.