Your navigation system just got a critical update, one that happens periodically because Earth’s magnetic north pole keeps moving. Here’s what to know.
Unlike the geographic North Pole, which marks a fixed location, the magnetic north pole’s position is determined by Earth’s magnetic ... at the equator, and the first high-resolution model ...
Earth's magnetic poles are shifting unpredictably, with rapid drifts and weakening fields raising questions about a possible future reversal and its global effects.