The Iowa Army Ammunition Plant is shut down to safely remove highly explosive lead azide, a chemical used in munitions, the U.S. Army reveals.

Roads southwest of the Sixth Avenue Freeway and Interstate 25 interchange were closed Thursday afternoon after a vehicle crashed into a building, Denver police said.

A 666-page Marine Corps investigation found a rare fuze defect — a "one in a million" malfunction — caused a live artillery shell to explode over Interstate 5 near Camp Pendleton last October, ...

Iran hit a Saudi refinery on the Red Sea and set Qatari liquefied natural gas facilities and two Kuwaiti oil refineries ...