The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

This article describes magnet, concentrator and magnetic shield and lists a few suppliers recommended by Allegro’s customers. There are several materials that magnets are made of including NdFeB ...

Earth’s magnetic field, generated deep within the planet’s liquid iron core, has been bending, stretching, and occasionally flipping for billions of years. That invisible shield determines whether ...

Earth’s magnetic field can linger in a weakened, unstable state for tens of thousands of years before fully flipping.

Deep beneath the ocean floor, ancient sediments hint that Earth’s magnetic field sometimes changed far more slowly than expected.

Did Earth’s magnetic field help make life possible on the planet? A new NASA-funded study suggests the answer may lie deep in ...

Earth’s magnetic field is easy to forget. It doesn’t make noise, it doesn’t flash, and it doesn’t ask for attention. Yet it ...