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 ...

United Launch Alliance knocked out its first Vulcan Centaur launch of the year on 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 for US Space Force.

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

What time is liftoff? ULA's Vulcan could be visible for most of Florida pending weather. Did your city make the rocket launch ...

A United Launch Alliance Vulcan rocket launches on USSF-106 mission at 8:56 p.m. Tuesday, Aug. 12, from Cape Canaveral Space ...