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

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

Vulcan rocket carrying the USSF-106 mission for the United States Space Force's Space Systems Command (SSC) lifted off on Aug ...

Across the region on Tuesday night, bright lights could be seen in the sky, and it was a rocket launch out of Florida.

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

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

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

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

United Launch Alliance (ULA) is gearing up for a long-awaited comeback, returning to secretive payload lifts for the National ...

A United Launch Alliance Vulcan rocket is gearing up to carry a classified national security payload into space Tuesday night ...

United Launch Alliance is set to launch its first military mission on the new heavy-lift Vulcan rocket on Tuesday night.

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