Earth’s magnetic field can linger in a weakened, unstable state for tens of thousands of years before fully flipping.

NOAA scientists have spent decades tracking how magnetic north wanders, but recent modeling shows a pole moving in ways ...

Earth's magnetic field is generated by the churn of its liquid nickel-iron outer core, but it is not a constant feature. Every so often, the magnetic north and south poles swap places in what are ...

Magnetic fields play an important—if sometimes underappreciated—part in planetary systems. Without a strong magnetic field, planets can end up as a barren wasteland like Mars, or they could indirectly ...