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

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 ...

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

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 ...

In cases where GPS satellites may be degraded or unreliable, researchers from Sandia National Laboratories and Ohio State University are considering cellphone towers as alternative sources of signals ...