One family member of a Northrop Grumman employee spoke with ABC4, saying she received a text right away from her ...

Few new details are available on an explosion that occurred at a Northrop Grumman facility in Box Elder County on Wednesday.

PROMONTORY, Utah — An explosion destroyed a building inside the Northrop Grumman facility in Box Elder County early Wednesday ...

CORINNE, Utah (KUTV) — A large blast at Northrop Grumman blew the walls off a building at the aerospace and defense company's ...

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 ...

Part of I-15 was closed on Tuesday after a semi-truck crashed into a tractor that was driving in the shoulder.

BOX ELDER COUNTY. Utah — Authorities are investigating an explosion at Northrop Grumman Innovation Systems that happened ...

An early morning explosion destroyed a building at Northrop Grumman's "Rocket Ranch" in Promontory, Utah. "Initial reports ...

PROMONTORY, Utah (AP) — An explosion at Northrop Grumman’s remote rocket testing site in northern Utah destroyed a building ...

Traffic has been slowed on northbound lanes of Interstate 15 in Box Elder County after a semi slammed into the back of a farm tractor driving on the shoulder.Th ...

Emergency crews are on scene after an explosion at a Northrop Grumman facility in Box Elder County sparked an active fire.