Choosing the best Garmin GPS mode for the occasion can be tricky. In this guide, we explain the pros and cons of each, and how to change it.

It's a matter of time atomic time, to be precise. The triangulation of satellites, ground towers, and your device is made possible by the use of atomic clocks.

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 ...