In the near-term, ULA will switch back to launching its soon-to-retire Atlas V rocket, the Vulcan rocket's predecessor. The ...

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

A successful rocket launch this week could mean big things for two large defense companies that co-own the space company.

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

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 ...

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

These linkups happen when several planets appear to line up in the night sky at once. Such parades are fairly common, happening around every year depending on the number of planets. At least one ...

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 ...

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

A European rocket launched from French Guiana — not the American rocket launches the same night — was likely the source of ...