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 ...

Two new rockets just launched within 30 minutes of each other, with each vehicle lifting off for just the third time. First up, Arianespace’s Ariane 6 launched from Europe’s Spaceport in Kourou, ...

Scroll down to review live updates from the Tuesday, Aug. 12, liftoff of a United Launch Alliance Vulcan rocket from Cape Canaveral Space Force Station on the USSF-106 mission. Original ...