NASA’s first crewed moon mission in decades was delayed as its engineers grapple with an all-too-familiar rocket problem: hydrogen leaks. Fixing the issue is even trickier than it may seem.

Engineers were able to fully fuel NASA's Artemis II moon rocket without any signs of leaks like the ones that derailed an earlier dress rehearsal.

HOUSTON — NASA's ambitious mission to return astronauts to the moon for the first time this century is on track to launch no later than April 2026, but it just might fly sooner if all goes well. "We together have a front-row seat to history: We're ...

The Apollo missions changed how scientists understand the moon. Returning with Artemis could help solve some of the biggest lunar mysteries.

In 2006, NASA admitted to deliberately deleting the Apollo 11 backups. Not to conceal their contents. But to cut costs. The 700 boxes of recorded transmissions fell foul of a 1980s project to wipe and reuse 200,000 unwanted magnetic tapes.

Add Yahoo as a preferred source to see more of our stories on Google. The SpaceX Starship spacecraft is hoisted along the launch tower on October 11 for stacking atop the Super Heavy booster in preparation for its 11th test flight from the company's ...