A classified US Space Force mission aboard United Launch Alliance’s Vulcan rocket ignited public curiosity after strange lights were spotted across the eastern and midwestern United States. 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 ...

Upstate New York residents were perplexed by a glowing ethereal light that appeared in the sky on Tuesday night, according to ...

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

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 ...

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 successfully launched last evening, the company said, marking the rocket's long-awaited first National Security Space Launch.

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

Visible across the Northeast, the bright, pill-shaped light was the exhaust plume from the United Launch Alliance's Vulcan ...