United Launch Alliance's Vulcan Centaur lifted off for the third time ever in an experimental launch to put navigation ...

ULA's Vulcan Centaur launches first national security mission Vulcan Centaur launches first national security mission ...

A United Launch Alliance Vulcan rocket is gearing up to carry a classified national security payload into space Tuesday night ...

United Launch Alliance (ULA) is gearing up for a long-awaited comeback, returning to secretive payload lifts for the National ...

ULA's Vulcan is replacing the company's workhorse Atlas 5 rocket and the already-retired Delta 4 family of launchers.

Some Juneau residents urged to evacuate as Alaska's Mendenhall Glacier releases floodwater Man Gets Late Night Alert, Sees ...

ULA's Vulcan is replacing the company's workhorse Atlas 5 rocket and the already-retired Delta 4 family of launchers.

What time is liftoff? ULA's Vulcan may be visible beyond Cape Canaveral, Florida, pending weather. See which cities made ...

United Launch Alliance launch of a Vulcan rocket with a military payload has successfully taken off. We will see if the ...

The first two Vulcan test flights last year used a configuration of the rocket with two strap-on boosters to add an extra ...