September marks the 50th anniversary of the Global Positioning System, a U.S.-owned free utility that offers positioning, navigation, and timing services to users all over the world. It changed not ...

Like many people, I’ve come to take for granted the availability of navigation systems in cars and handheld devices based on the Global Positioning System. But it was all abstract until I recently ...

What if GPS had existed in 1565? No satellites or microelectronics, sure—but let’s play along. Imagine the bustling streets of Antwerp, where merchants navigated the sprawling city with woodcut maps.

The Global Positioning System, or GPS, is pretty much indispensable these days. Phones, tablets, self-driving cars, and drones depend on a network of geostationary satellites high above the earth’s ...

Nearly 50 years since its founding, the U.S. Global Positioning System is in danger of losing its cachet as the world’s gold-standard location service. The U.S. military, which runs GPS, is upgrading ...

The new embedded GPS/INS (EGI-M) system will allow operation in GPS-contested and GPS-denied environments. Northrop Grumman has successfully tested in flight the new Embedded Global Positioning System ...

The Global Positioning System runs the modern world. But it is under daily attack. This year alone, researchers say, more than 60,000 commercial flights have been hit by bogus GPS signals, which can ...