NASA's 2nd wet dress rehearsal is underway in Florida as the agency prepares to test-fuel the towering Space Launch System rocket for Artemis 2.

NASA began another practice launch countdown Tuesday for its first moonshot in decades with astronauts after making repairs to fix dangerous fuel leaks that already have bumped the flight into March.

NASA plans to launch four astronauts on a long-awaited trip around the moon as early as April 1, the agency announced.

The agency struggles to talk about the risk of mission failure.

Live updates from NASA's SpaceX Crew-12 astronaut liftoff aboard a Falcon 9 rocket Friday, Feb. 13, from Cape Canaveral Space Force Station.

Add Yahoo as a preferred source to see more of our stories on Google. NASA's second multi-day test to simulate a launch day is underway in Florida in a critical demonstration of whether the agency's ...