Desperately short of infantry, Kyiv is using aerial drones to pick off Russian infantry. It is slowing, but not stopping, the ...

Fighting fire usually involves water or foam, but they can be messy and environmentally destructive. Engineers at Ohio State ...

One of CJRB's most popular knife designs has transformed into an American icon with a few surprisingly simple tweaks.

SGT. JACQUELINE C. PARSONS / U.S. MARINE CORPS From atop an armored vehicle, a stinger missile is fired at a small unmanned aircraft during a training exercise at Pohakuloa Training Area on the Big ...