Self-driving cars need to know exactly where on the road they are located at all times. A new invention could revolutionize the development of driverless vehicles—and give us more accurate GPS on our ...

GPS vulnerability is a serious national security issue and many federal departments have a role. But if this is everyone’s ...

What if a drone-launched, precision-guided Hellfire missile or fighter-jet air-dropped bomb was heading directly toward a designated enemy target, but it was disabled or its trajectory were suddenly ...

Ever wonder how that GPS chip in your cell phone or personal navigation device or some other gizmo used by your field workers actually knows how to find the orbiting satellites and grab their ...