Kenneth Chang

Almost forgotten now, the mission circled the Earth for 10 days, performing a series of tests with the lunar lander. What it lacked in glory it made up for in technological contributions.

Elon Musk said he had initially given SpaceX less than a 10 percent chance of succeeding. His rocket company has come a long way.

NASA’s missions these days rarely feature all-male crews. Jared Isaacman, its administrator, said women play prominent roles throughout the space agency.

About 25 years ago, Adeo Ressi, a former college roommate of Elon Musk's, begged the tech entrepreneur not to start a rocket company.

NASA has chosen four astronauts for the Artemis III mission, but there has been a major setback: the destruction of a Blue Origin rocket and its only launchpad. Our science reporter Katrina Miller describes what this event might mean for the U.S. goal of landing on the moon by 2028.

A rescue mission will soon be underway for NASA’s Swift telescope.

The never-before-tried rescue attempt is scheduled to commence on Wednesday, with the launch of a refrigerator-sized spacecraft from the Marshall Islands in the middle of the Pacific Ocean.

As part of plans to establish a lunar base, the space agency may send to the moon a spare test version of the rover — as well as a soccer ball.

An attempt to save NASA's Neil Gehrels Swift Observatory telescope before it burns up in the atmosphere successfully launched to orbit Friday.

A space neophyte not long ago, China is now the United State’s main competitor for supremacy throughout the solar system.