Earth is surrounded by a magnetic field generated by electric currents from within the planet. Compasses take advantage of this field to identify north and serve as a navigational aid. But one social ...
NOAA scientists have spent decades tracking how magnetic north wanders, but recent modeling shows a pole moving in ways earlier maps did not suggest. Instead of drifting slowly around the Canadian ...
Earth's magnetic field is generated by the churn of its liquid nickel-iron outer core, but it is not a constant feature.
How migratory animals find their way to the wintering grounds, thousands of kilometers apart from their breeding ground, is a fascinating riddle of nature. Previous studies have suggested they ...