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

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

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

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

The first two Vulcan test flights last year used a configuration of the rocket with two strap-on boosters to add an extra ...

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

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

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

The launch of a United Launch Alliance Vulcan rocket carrying the U.S. Space Force (USSF)-106 mission for the United States ...

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

While many Southwestern Pennsylvania residents were looking skyward Tuesday night to catch a glimpse of the Perseid meteor ...

United Launch Alliance's new Vulcan Centaur rocket roared to life for the first time Tuesday night at Cape Canaveral Space Force Station. In what is called a "flight readiness firing," the rocket ...