CAPE CANAVERAL—Northrop Grumman plans to test a new nozzle for the Graphite Epoxy Motors (GEM) used on United Launch Alliance’s (ULA) Vulcan and Atlas rockets, a redesign that could be part of ...

NASA conducted a full-scale static test fire of the Booster Obsolescence and Life Extension (BOLE) solid rocket motor - part ...

Add Yahoo as a preferred source to see more of our stories on Google. The powerful Vulcan rocket faces its biggest test yet as it prepares to launch on its second national security spaceflight from ...

Update: The United Launch Alliance has put out a statement declaring the mission a success and indicating plans to investigate an anomaly observed early in the flight on the solid rocket boosters. The ...