For the first time in more than half a century, astronauts are again training to fly around the moon, not as a distant dream but as a concrete mission with hardware on the pad and dates on the calendar.

After acting NASA Administrator Sean Duffy this month called out SpaceX for Starship delays, Elon Musk’s company has come back with an update defending its progress and offering a speedier plan to get astronauts back on the moon as part of the Artemis ...

A memo sent by the Smithsonian said transporting Discovery could swell in price and result in irreparable damage to the space shuttle. On paper, it reads like a riddle: How do you transport a 120-foot, 80-ton rocket from Washington to Houston? One piece at ...

NASA’s long-promised space plane is finally on the cusp of leaving the runway behind and heading for orbit, a decade after the agency first backed the concept. The lifting-body vehicle known as Dream Chaser has cleared a gauntlet of pre-flight tests,

NASA may sideline SpaceX and choose a different company to land its astronauts on the moon later this decade, acting space agency chief Sean Duffy suggested during TV appearances Monday. Duffy emphasized that he believes SpaceX, which has a $2.9 billion ...