DefenseTech

Gate security re-entered the spotlight after two men tried to ram into the National Security Agency gate.

An experimental Pentagon tool to search the deep web is now being used in the hunt for Islamic militants.

The F-35 software that lets pilots shoot the Gatling gun isn't expected to ship until 2019.

"I don't think it was an act of war," President Barack Obama said during an interview.

Over the next decade, the Pentagon plans to launch satellites that offer a revolutionary leap in surveillance technology.

The spacecraft that landed on a comet last week is searching for clues about the composition of the early solar system.

An unmanned Orbital Sciences Corp. rocket exploded seconds after liftoff Tuesday from a launch pad in Virginia.

Lockheed Martin says it plans to build a fusion reactor small enough to fit on the back of a truck.

The Fury is a small 27-inch, 13-pound GPS and laser-guided bomb engineered to fly and fire from medium and large drones.

The Navy has released two new videos showing the service launching Tomahawk cruise missiles against ISIS targets in Syria.