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 ...

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

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

The United Launch Alliance successfully launched its second Vulcan rocket from Complex 41 at Cape Canaveral Space Force ...

United Launch Alliance (ULA) successfully launched its second Vulcan Centaur rocket, marking a key step toward certifying the ...

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

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