The Nano Bee, created by engineer Ronald Valentine, is a diesel engine smaller than a quarter but powerful enough to to spin a model-plane propeller.

Ukraine has responded to a war it didn’t start by creating an industry it doesn’t want, but could the nation's ...

As the war in Ukraine drags into its fifth year, drones have come to completely dominate the front line -- a transformation in modern warfare that is being watched around the world.

Training modern fighter jet pilots in the United States can cost well over $10 million, meaning these are incredibly valuable ...

Five big European military powers have launched a joint effort to build cheap drone defenses and autonomous drones, using ...

A new crop of oddball cameras ditch playback, embrace imperfection, and bring back the thrill of not knowing if you got the shot.