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

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

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

Issues delivered straight to your door Giant X9 solar flare! Night sky tonight!

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

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

Jam packed issues filled with the latest cutting-edge research, technology and theories delivered in an entertaining and ...

Forecasters now predict an 80% chance of "go for launch" weather conditions during Friday's window, with cumulus clouds ...

United Launch Alliance's Vulcan rocket experienced unexpected sparks during its certification flight, raising questions about its performance.

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

United Launch Alliance's new Vulcan Centaur rocket is 'go' for its second-ever liftoff, a test flight scheduled to launch on ...