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

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

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 ...

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

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

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

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

This is the second certification mission for the Vulcan rocket. It’s a requirement to be used regularly by the U.S. Space ...

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