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

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

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

The United Launch Alliance launched a Vulcan rocket Tuesday night from Florida as part of the first U.S. Space ...

After years of certification snags, the U.S. Space Force finally has its latest National Security Space Launch (NSSL) rocket.

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

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

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

This is a tough business. It takes a million things to go right, one thing to go wrong, said Col. Jim Horne, director of the USSF-106 mission, on launch eve. The stakes are unusually high for this ...

The company lofted an experimental navigation satellite on behalf of the U.S. military Tuesday at 8:56 p.m. EDT (0056 GMT on Aug. 13). The mission saw the company's powerful new Vulcan Centaur rocket ...

United Launch Alliance has launched its Vulcan rocket and will deploy two military payloads in geosynchronous orbit.

The United Launch Alliance (ULA) is set to launch its Vulcan rocket for the first time with a national security payload on ...