United Launch Alliance was hoping to ramp up its new Vulcan rocket launches this year, but won’t be launching any national ...

United Launch Alliance flew its Vulcan rocket for only the fourth time early Thursday, but suffered yet another fiery burn through on one of its solid rocket boosters during a national security ...

The Brunswick-based startup is marketing its non‑toxic, bio‑derived fuel and a patent‑pending oxidizer system as an ...

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

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

Vulcan is central to ULA’s effort to replace its Atlas 5 rocket and compete more directly for national security launches. With Vulcan missions on hold, the Space Force is now reliant solely on SpaceX ...

The Space Force has suspended launches of the United Launch Alliance's (ULA) Vulcan Centaur rocket under the National ...

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

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

A ULA Vulcan rocket launched a Space Force mission from Cape Canaveral on Feb. 12. Sparks were observed coming from a solid rocket booster shortly after liftoff, which ULA is reviewing. The mission, ...

Add Yahoo as a preferred source to see more of our stories on Google. United Launch Alliance suffered yet another fiery burn-through on one of its solid rocket boosters during a national security ...