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ULA's Vulcan is replacing the company's workhorse Atlas 5 rocket and the already-retired Delta 4 family of launchers.
What was the mysterious white spiral flying in the night sky as stargazers looked up during the Perseid meteor shower peak ...
Visible across the Northeast, the bright, pill-shaped light was the exhaust plume from the United Launch Alliance's Vulcan ...
Across the region on Tuesday night, bright lights could be seen in the sky, and it was a rocket launch out of Florida.
Theories suggest the display came from either the European Space Agency's Ariane 6 rocket or the United Launch Alliance's ...
A successful rocket launch this week could mean big things for two large defense companies that co-own the space company.
Live updates from Tuesday night’s ULA USSF-106 mission that launched a Vulcan rocket from Cape Canaveral Space Force Station in Florida.