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

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

As it turns out, the cause of the strange light was a spacecraft, but not one piloted by little green men. There were two rocket launches last night that could have caused the anomaly, one launched ...

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

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

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

The Pentagon has launched its first experimental navigation satellite in nearly five decades, aiming to test out a new ...

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

The light people were seeing was from the Vulcan rocket launched by the United Launch Alliance. It took off from Cape ...

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

National Weather Service staff at its Moon office got a few odd calls last night, about a strange-looking blue swirl moving across the sky. “We had a couple of calls on the overnight shift,” said NWS ...