NASA's Space Launch System rocket is about to depart the launch pad in Florida where it has been vertical for more than a ...

NASA's Artemis 2 moon mission is in trouble again after teams discovered a helium issue within the SLS rocket following ...

The massive rocket that will propel four astronauts into deep space had to be moved off the launchpad for repairs.

The two biggest commercial space companies are stepping up.

Add Yahoo as a preferred source to see more of our stories on Google. The Space Launch System (SLS) rocket and the Orion spacecraft, integrated for the Artemis II mission, are seen at Launch Pad 39B ...

During the lead-up to NASA’s Artemis 1 mission back in 2022, recurring hydrogen leaks led to significant delays and a cancelled launch attempt. The agency had three years to address the underlying ...

It's been a busy week for NASA's Artemis lunar campaign, which has experienced a number of recent setbacks as the agency has again delayed the first crewed mission under the program. The launch date ...

NASA said Tuesday that it has postponed the second mission of its Artemis program, pushing the highly anticipated launch from Feb. 8 into March. During a wet dress rehearsal of the rocket-towering ...

Though NASA was optimistic about launching four astronauts on a trip around the moon as early as Friday, the space agency is now looking at March after complications during a key preflight test. As it ...

The Space Launch System rocket program is now a decade and a half old, and it continues to be dominated by two unfortunate traits: It is expensive, and it is slow. The massive rocket and its ...

A crew of four moon-bound astronauts will remain on the ground for at least a month after NASA delayed the launch of the Artemis II mission. During critical pre-launch testing Monday, mission managers ...