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

What was the mysterious white spiral flying in the night sky as stargazers looked up during the Perseid meteor shower peak ...

Theories suggest the display came from either the European Space Agency's Ariane 6 rocket or the United Launch Alliance's ...

ULA Vulcan Launch completes its first National Security Space Launch mission, taking the reins from the Delta IV Heavy for ...

SpaceX launched a new batch of Starlink satellites from California and Florida to continue the growth of its broadband ...

United Launch Alliance punched out its first Vulcan Centaur launch of the year Tuesday night, and its first ever for the ...

Did you see it? A rocket launch from Tuesday night produced an incredible sight in the skies! Read more about what happened ...

United Launch Alliance's Vulcan rocket launches its first national security mission, and Europe's Ariane 6 takes off on just ...

As it turns out, the cause of the strange light was a spacecraft, but not one piloted by little green men. There were two ...

Many Capital Region were curious about a glowing object moving across the sky in Albany on Tuesday night. NewsChannel 13 has ...

Several residents in the Lehigh Valley and throughout Pennsylvania on Tuesday night reported seeing a “spinning light” object ...