Learn how some of Earth’s magnetic field flips last longer than others, weakening our defenses against cosmic radiation.

Scientists in a rare discovery have found “smiling electrons” inside Earth’s protective magnetic field. According to a new ...

Far below the deepest boreholes, Earth’s core appears to keep its own rhythm, a slow magnetic throb that repeats roughly ...

Earth's magnetic field is generated by the churn of its liquid nickel-iron outer core, but it is not a constant feature.

Ancient rocks show Earth’s magnetic field followed deep heat patterns inside the planet for hundreds of millions of years.

The continent-sized blobs are much hotter than the lower mantle, creating a significant temperature gradient in the rocky ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Over 11 years of satellite data reveal that Earth’s magnetic field is reshaping. (CREDIT: Shutterstock) More than a decade of ...

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

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Without its magnetic field, life on Earth would not be possible ...

Learn about the continent-sized rocks hidden deep within Earth's mantle that have influenced the magnetic field for millions ...