Far above the South Atlantic, Earth’s magnetic shield is thinning into a vast, lopsided bruise that now sprawls across an ...

NASA has been monitoring a strange anomaly in Earth's magnetic field: a giant region of lower magnetic intensity in the skies above the planet, stretching out between South America and southwest ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Earth’s magnetic north pole has shifted away from Canada and closer to Siberia at a rapid pace in recent ...

Deep beneath our feet, something extraordinary is happening. Scientists have discovered that changes in Earth's core are ...

A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...