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

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

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

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

Did you see it? A rocket launch from Tuesday night produced an incredible sight in the skies! Read more about what happened ...

“It was inexplicable,” said Nicholas McAlister, a fund-raiser at the University of Pennsylvania who witnessed it in the night ...

A classified US Space Force mission aboard United Launch Alliance’s Vulcan rocket ignited public curiosity after strange ...

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

BURLINGTON, Vt. (WCAX) - Many viewers wrote in to WCAX News wondering about a mysterious light they spotted in the sky Tuesday night. Some sent pictures and videos. Our viewer Jessica said she was ...