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The tool is used by GPS systems and navigation devices that map the magnetic north pole. Sign up for Chip Chick's newsletter ...
Have you ever played with a magnet and stuck it in a sandy wash? It will pick up lots of black stuff. Some call it black sand; some might think ...
These auroral electrojets push about a million amps of electrical charge around the poles every second. They can create some of the largest magnetic disturbances on the ground, and rapid changes ...
Recent observations reveal that Earth's magnetic poles are gradually drifting. Until the 1990s, the North Pole moved at about 15 kilometers per year. However, the rate has accelerated to 55 ...