Modern cars surround drivers with digital certainty, yet one of the most basic numbers on the dashboard is quietly biased in ...

It's pretty well established that car speedometers are mildly inaccurate. However, if you're wondering whether GPS is any ...

Commercial pilots have raised concern over an increasing number of “GPS Spoofing” incidents, during which they are sent bogus signals while flying. Aviation officials and regulators have said that ...

The country’s GPS systems might be more vulnerable than you think — and the stakes are high. A Global Positioning System failure could affect transportation, banking and emergency operations. But ...