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.

Earth’s north pole comes in two forms: true north and magnetic north. True north refers to the geographic north pole, the fixed point where Earth’s rotational axis meets its surface.

The Earth's magnetic North Pole is currently moving toward Russia in a way that British scientists have not seen before. Scientists have been tracking the magnetic North Pole for centuries, ...