What was the mysterious white spiral flying in the night sky as stargazers looked up during the Perseid meteor shower peak ...

In the near term, ULA will switch back to launching its soon-to-retire Atlas V rocket, the Vulcan rocket's predecessor. The ...

The United Launch Alliance successfully launched a Vulcan Centaur rocket into orbit from Cape Canaveral Space Force Station ...

Visible across the Northeast, the bright, pill-shaped light was the exhaust plume from the United Launch Alliance's Vulcan ...

United Launch Alliance completed its first US national security mission with the newly developed Vulcan rocket, a key test of ...

United Launch Alliance knocked out its first Vulcan Centaur launch of the year on Tuesday night, and its first ever for the ...

ULA's Vulcan is replacing the company's workhorse Atlas 5 rocket and the already-retired Delta 4 family of launchers.

United Launch Alliance's Vulcan Centaur lifted off for the third time ever in an experimental launch to put navigation ...

The company lofted an experimental navigation satellite on behalf of the U.S. military Tuesday at 8:56 p.m. EDT (0056 GMT on ...

The Vulcan, the United Launch Alliance's newer rocket, got off the ground from Florida on its first national security mission ...

The United Launch Alliance is launching its powerful Vulcan rocket on its first national security mission for the U.S. Space ...