Swedish engineer Salomon August Andrée and two companions wanted to fly a hydrogen balloon over the North Pole. Their Arctic ...

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 magnetic north pole ... These columns influence the core’s flow dynamics, and even small changes can ripple through the magnetic field, altering the pole’s path.