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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.
The company lofted an experimental navigation satellite on behalf of the U.S. military Tuesday at 8:56 p.m. EDT (0056 GMT on ...
Visible across the Northeast, the bright, pill-shaped light was the exhaust plume from the United Launch Alliance's Vulcan ...
A United Launch Alliance Vulcan rocket is gearing up to carry a classified national security payload into space Tuesday night ...
ULA's other big customer, Amazon's Project Kuiper broadband constellation, also won't be ready to launch its first batch of operational satellites on a Vulcan rocket this fall.
What was the mysterious white spiral flying in the night sky as stargazers looked up during the Perseid meteor shower peak ...