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 ...

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 ...

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 ...

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 ...