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

A halt has been ordered on the use of ULA's Vulcan rocket until the "anomaly is solved," a top official said on Wednesday.

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 is putting an indefinite halt on all national security missions aboard United Launch Alliance's Vulcan Centaur, following a repeat anomaly with the rocket's side boosters.

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

As a ULA Vulcan bolted into the early Thursday skies over Cape Canaveral, many witnessed a solid rocket booster issue.

L3Harris will host Secretary of War Pete Hegseth on his “Arsenal of Freedom" tour at its solid rocket motor production site in Camden on Friday, February 27.

United Launch Alliance suffered yet another fiery burn-through on one of its solid rocket boosters during a national security mission Thursday.

“There's just a lot of strategic synergy in those parts of our portfolio that we want to maintain ownership structure of,” ...