SpaceX plans to launch the latest batch if its Starlink satellites now no earlier than 8:29 a.m. Aug. 14 from Launch Complex ...

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

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

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

Even though the night of Aug. 12 was the peak of the Perseid meteor shower, the light that caught the most attention in West Virginia and across the East Coast wasn’t a fireball.

The swirl in the sky isn't a common sight, but it's happening more and more as companies like SpaceX launch more rockets into ...

What was the mysterious white spiral flying in the night sky as stargazers looked up during the Perseid meteor shower peak and Vulcan rocket launch?

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

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

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

A mysterious ball of light was seen by people up and down the East Coast on Tuesday night. Cindy Zonneveld, of Ramsey, N.J., ...