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

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

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.

Donald Trump's Navy and Air Force are poised to cancel two nearly complete software projects that took 12 years and well over ...

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 ...

United Launch Alliance (ULA) successfully launched its Vulcan rocket on Aug. 12, marking the launch vehicle’s first ...

The United Launch Alliance 's Vulcan rocket sent the first U.S. national security mission to space on Tuesday night, sending ...

The Pentagon launched its first experimental navigation satellite in nearly 50 years, aiming to test out new technology that ...

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 has queued up its first Vulcan Centaur launch of the year, and its first ever for the Space Force.

Californians could potentially see nearly back-to-back SpaceX launches now that a Starlink mission scheduled for the weekend ...