United Launch Alliance (ULA) launched its most powerful Vulcan rocket yet on Tuesday night (Aug. 12). The company lofted an experimental navigation satellite on behalf of the U.S. military Tuesday at ...

United Launch Alliance's (ULA) new Vulcan Centaur rocket will conduct its first-ever national security launch next week, if all goes according to plan. ULA announced on Tuesday (Aug. 5) that it's ...

The powerful Vulcan rocket faces its biggest test yet as it prepares to launch on its second national security spaceflight from Florida. This time around, a rocket meant to become the United Launch ...

The United Launch Alliance's most recent mission with its Vulcan rocket may have ended in success, but an anomaly detected during the launch is throwing into question when it could get off the ground ...

WASHINGTON — NASA has selected United Launch Alliance’s Centaur 5 as the upper stage for its Space Launch System rocket for two crewed missions planned for 2028. Centaur 5 was developed as the upper ...