Texas-based Firefly Aerospace is planning to launch its Alpha rocket on its first spaceflight from Vandenberg since April ...

The space agency said Sunday it's targeting Tuesday for the slow, four-mile trek across Kennedy Space Center​, weather permitting.

Because of the rocket’s version of a check engine light, it has to go back to the garage.

The powerful Vulcan rocket has launched on its second-ever national security spaceflight in what will be the biggest test yet for an up-and-coming spacecraft. Launching atop a staggering 3 million ...

Firefly Aerospace is preparing to return its Alpha rocket to flight after a failed sixth launch attempt ended in an anomaly during a mission launched from Vandenberg Space Force Base in California.

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.

Add Yahoo as a preferred source to see more of our stories on Google. Who's up for a Valentine's Day rocket launch? A rocket from Cape Canaveral, Florida, which was scheduled to lift off this week, is ...

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.