United Launch Alliance's Vulcan rocket, under contract for dozens of flights for the US military and Amazon's Kuiper ...

United Launch Alliance's Vulcan rocket completed its second successful flight on Friday, an important step for future use.

Despite an apparent problem with one of two strap-on boosters, the Vulcan reached orbit and otherwise performed as expected.

The rocket company, jointly owned by Boeing and Lockheed Martin, has been racing to prepare its vehicle to carry military ...

United Launch Alliance sent its second Vulcan rocket into space on Friday morning after delays that took the launch back more ...

United Launch Alliance's new Vulcan Centaur rocket just launched on its second-ever mission, a key test flight that keeps it ...

Boeing and Lockheed Martin's joint venture, United Launch Alliance, said on Friday its Vulcan rocket successfully launched ...

A shower of sparks was seen flying from near the Vulcan's engines about 38 seconds after Friday's liftoff from Cape Canaveral ...

During today’s launch, Vulcan will carry a simulated payload. It's a test before the rocket is certified to haul national ...

United Launch Alliance has confirmed that its second Vulcan Centaur rocket launch was a success. The heavy-lift vehicle ...

United Launch Alliance achieved a major milestone by successfully launching its next-generation Vulcan rocket from Cape ...