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 ...

Solid rocket motors for the first five Air Force flight tests of the Northrop Grumman LGM-35A Sentinel future ICBM are in ...

The first full-scale static test fire of the Booster Obsolescence and Life Extension (BOLE) solid rocket motor for NASA’s ...

The latest test of a next-generation rocket booster for NASA’s Artemis program ended with a violent hardware failure, a stark reminder that deep space ambitions still hinge on unforgiving engineering ...

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 ...