The United Launch Alliance (ULA) launched its first U.S. national security launch aboard its new Vulcan rocket on Tuesday ...

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

United Launch Alliance lofted an experimental navigation satellite on the first national security mission of its new Vulcan ...

ULA’s Vulcan is expected to become the company's central launcher for national security and commercial space missions, but ...

ULA's Vulcan Centaur launches first national security mission Vulcan Centaur launches first national security mission ...

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

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

ULA will launch US national security satellites into space — and it's possible people can see Vulcan rocket liftoff far ...

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

United Launch Alliance's new Vulcan Centaur rocket will launch its first-ever national security mission on Aug. 12, if all ...