The U.S. Space Force has reassigned another GPS satellite launch from United Launch Alliance to SpaceX, marking the fourth ...

Californians may soon see the powerful ULA Vulcan rocket blazing across the sky brighter and more widely visible than what is ...

For the fourth time in a little more than a year, the US Space Force needs to send up a new satellite to replenish the ...

A ULA Vulcan rocket launched a Space Force mission, but an unexpected light show from its boosters sparked questions. Here's what we know.

The U.S. Space Force has swapped rockets for an upcoming GPS satellite launch, moving to a SpaceX Falcon 9 while the investigation into an anomaly with ULA's Vulcan Centaur continues.

Reports suggest that the US Space Force is pausing missions on the Vulcan rocket until an anomaly observed during a February ...

The U.S. Space Force launched its GPS III-9 satellite (SV09) on a SpaceX Falcon 9 from Cape Canaveral Space Force Station in ...

Add Yahoo as a preferred source to see more of our stories on Google. What does 3 million pounds of liftoff thrust look like? A large chunk of Florida residents may see it when United Launch ...

NASA moved quickly to tap United Launch Alliance to help fill in the blank the agency created when it decided to alter its ...

Boeing and Lockheed investors can't count on revenue contributions from ULA for awhile. How big a problem is that?