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 shocked to see a glowing light that appeared in the sky on Tuesday night, August 12.

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 ...

A mysterious light spotted in the night sky over the eastern United States sparked UFO speculation online, but was likely the ...

The United Launch Alliance successfully launched a Vulcan Centaur rocket into orbit from Cape Canaveral Space Force Station ...

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

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

A mysterious glowing object spotted over New Jersey skies Tuesday night, Aug. 12, had locals buzzing — but it wasn’t a UFO.

The spiral effect seen in the sky over western Mass. on Tuesday night was likely caused by the Vulcan Centaur rocket launch ...