Earth’s magnetic field protects life on Earth from radiation, but it can move, and the magnetic poles can even flip

By: Ofer Cohen, UMass Lowell, The Conversation

Outlets: The Conversation

Published: December 7, 2025

Words: 1,058

Last Updated: 1 month ago

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By Ofer Cohen, UMass Lowell

The Earth’s magnetic field plays a big role in protecting people from hazardous radiation and geomagnetic activity that could affect satellite communication and the operation of power grids. And it moves.

Scientists have studied and tracked the motion of the magnetic poles for centuries. The historical movement of these poles indicates a change in the global geometry of the Earth’s magnetic field. It may even indicate the beginning …

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