In the early hours of May 12, 1926, the navigator of the Norge cried “Here we are!” The airship had reached the North Pole.

While the magnetic north pole is on the move, the south magnetic pole is comparatively static. It’s moving northward, but at only about five to 10 kilometers per year, with hardly any movement ...

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.