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.
Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Without its magnetic field, life on Earth would not be possible ...
Deep beneath the ocean floor, ancient sediments hint that Earth’s magnetic field sometimes changed far more slowly than expected.