United Launch Alliance (ULA)'s next-generation Vulcan Centaur rocket just took a big step toward its debut launch. The Vulcan Centaur aced a crucial engine test tonight (June 7), firing up its two ...

United Launch Alliance is targeting September 16 for the second test flight of the new Vulcan rocket, and a flawless mission could finally set the stage for the first Vulcan launch for the US military ...

The two BE-4 engines in the Vulcan Centaur booster fire for several seconds during a static-fire test June 7. Credit: ULA webcast WASHINGTON — United Launch Alliance carried out a static-fire test of ...

While a static-fire test of Vulcan's booster June 7 was a success, the rocket's first launch will be delayed to make "minor reinforcements" to the Centaur upper stage. Credit: ULA WASHINGTON — The ...

United Launch Alliance delivered multiple US military satellites into a high-altitude orbit after a prime-time launch Tuesday night, marking an important transition from development to operations for ...

Northrop Grumman and the United Launch Alliance (ULA) successfully performed a crucial rocket motor test for ULA's next-generation rocket, Vulcan Centaur, in preparation for a debut launch later this ...

United Launch Alliance (ULA) is ready for another attempt at firing up the engines of its heavy-lift Vulcan Centaur rocket for a flight readiness test before it launches for the first time. Vulcan ...

Officials said they now plan to launch the Vulcan rocket at 7:25 a.m. NEW LAUNCH TIME. The issue has been resolved and Launch Director Eric Richards has instructed the team to retarget today's launch ...

United Launch Alliance fired off a next-generation Vulcan rocket Friday in the second of two "certification" test flights needed before the new launcher can be used to carry high-priority national ...

United Launch Alliance was testing last month a version of the Centaur upper stage designed to fly on its new Vulcan rocket, but a hydrogen leak caused a massive fireball, the fallout of which has ...