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

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

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

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

ULA Vulcan Launch completes its first National Security Space Launch mission, taking the reins from the Delta IV Heavy for ...

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

Vulcan rocket lifted off from Cape Canaveral shortly before 9 p.m. on Tuesday for the U.S. Space Force USSF-106 mission in ...

Live updates from Tuesday night’s ULA USSF-106 mission that launched a Vulcan rocket from Cape Canaveral Space Force Station in Florida.

A successful rocket launch this week could mean big things for two large defense companies that co-own the space company.

As it turns out, the cause of the strange light was a spacecraft, but not one piloted by little green men. There were two ...

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