Earth’s magnetic north is not static. Like an anchorless buoy pushed by ocean waves, the magnetic field is constantly on the move as liquid iron sloshes around in the planet’s outer core.

The BepiColombo satellite, in orbit around Mercury, photographed the rocky world's north pole for the first time up close. I ...

The magnetic north pole, on the other hand ... at a resolution of 3,300 kilometers at the equator—a pixelated view of our planet’s invisible forces. The new WMM2025 improves that resolution ...