Most of us never need to use numerical GPS coordinates to take advantage of the many location-based services that are available to us. We simply input an address, or click through ...

Researchers mapped Earth’s ionosphere, part of the upper atmosphere, using signal data from 40 million phones – a method that ...

The best GPS units offer reliable navigation in even the most off-the-beaten-track areas, including topographical and ...

In a paper published this week in Nature, Google researchers demonstrated they were able to use GPS signal measurements ...

What if GPS had existed in 1565? No satellites or microelectronics, sure—but let’s play along. Imagine the bustling streets ...