Northrop Grumman's Utah facility manufactures and tests solid rocket engines, like those used to launch NASA's Space Launch ...

An explosion at Northrop Grumman’s remote rocket testing site in northern Utah destroyed a building Wednesday. Officers found ...

Crews are investigating an explosion Wednesday morning at Northrop Grumman's rocket test facility in Promontory, a remote ...

Northrop Grumman said Friday a Promontory building destroyed in an explosion this week was where an ingredient used in solid ...

Despite an explosion that led to the total loss of a building at the Northrop Grumman complex near Promontory last week, the ...

Days after an explosion destroyed a building on its remote facility in northern Utah, Northrop Grumman is shedding new light ...

Northrop Grumman Corporation is investigating the cause of an explosion that occurred Wednesday morning at its facility in ...

Governor Spencer Cox said Thursday he's been told "there's no danger to the public" from the Northrop Grumman explosion, and ...

PROMONTORY, Utah — An explosion at Northrop Grumman’s “Rocket Ranch” in Utah destroyed a building Wednesday morning. No one ...

PROMONTORY, Box Elder County — No solid rocket motors were lost or damaged in an explosion Wednesday in remote Promontory, a company spokesperson for Northrop Grumman told KSL.com Friday.

Officials said the explosion happened at 7:38 a.m. MT. The “Rocket Ranch” is the testing ground for the company’s solid rocket motors. It is not known which building was destroyed and what ...