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 ...

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!

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

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

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

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

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

Depending on weather and cloud cover, a rocket launched from Cape Canaveral, especially early morning ones, could potentially ...

Tomorrow at 6 a.m., ULA will attempt the second test flight of its Vulcan rocket. Learn more and find out how to watch: ...

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