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

Vulcan Centaur is supposed to launch more than a dozen missions for the U.S. Space Force this year, but those flights could ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. ULA's second Vulcan Centaur ...

The powerful Vulcan faces its biggest test yet as it prepares to launch on its second national security mission from Florida.

A Vulcan Centaur rocket successfully launched two U.S. spy satellites on Feb. 12 despite suffering an anomaly with one of its ...

The U.S. Space Force is putting an indefinite halt on all national security missions aboard United Launch Alliance's Vulcan ...

At the core of Isaacman’s concerns is the low flight rate of the SLS rocket and Artemis missions. During past exploration ...