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

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 ...

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 United Launch Alliance’s Vulcan Centaur rocket lit up the sky over Ohio, on August 12 as it successfully completed its first national security mission. Footage captured by David Pawar in ...

The launch of a United Launch Alliance Vulcan rocket carrying the U.S. Space Force (USSF)-106 mission for the United States Space Force’s Space Systems Command (SSC) is planned for Tuesday, Aug. 12, ...

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.

Visible across the Northeast, the bright, pill-shaped light was the exhaust plume from the United Launch Alliance's Vulcan Centaur rocket.

A mysterious glowing object spotted over New Jersey skies Tuesday night, Aug. 12, had locals buzzing — but it wasn’t a UFO.