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

United Launch Alliance completed its first US national security mission with the newly developed Vulcan rocket, a key test of ...

United Launch Alliance punched out its first Vulcan Centaur launch of the year Tuesday night, and its first ever for the ...

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

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

United Launch Alliance (ULA) is preparing to launch its first national security mission with the Vulcan rocket, marking a ...

The silver-and-red Vulcan — equipped with four side-mounted solid rocket boosters — will lift off Tuesday, Aug. 12, from Cape ...

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

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

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

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