The moon

Elon Musk isn't the first person to propose the use of mass drivers on the moon. He's following in the footsteps of space visionary Gerard O'Neill, who floated the idea back in 1974.

China's Shenzhou 21 crew rang in the Year of the Horse with an impressive celebration aboard the nation's Tiangong Space Station that included filming a music video.

China just took another step toward landing astronauts on the moon, acing a key abort test with its Mengzhou crew capsule and pulling off a soft splashdown with the returning rocket.

Just 13 months after declaring the moon "a distraction," Elon Musk has announced that Earth's nearest neighbor is now the focus of SpaceX's settlement plans. What changed?

Exhaust from lunar landers drifts across the moon and contaminates ultra-cold polar craters that are rich in ancient ice and organic clues, a new study reports.

The findings are a big clue as to why the far and near hemispheres of the moon look so different.

NASA and the U.S. Department of Energy have firmed up their commitment to develop a nuclear reactor for use on the surface of the moon by 2030.

A California-based start-up wants to open a hotel on the moon by 2032 and is now accepting bookings for the out-of-this world travel experience.

China's ice-hunting Chang'e 7 mission is scheduled to launch to the moon later this year, helping set the stage for a lunar base that the country aims to build in the 2030s.