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

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

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

This geomagnetic storm interfered with telegraph communications around the globe. Sparks reportedly leapt from telegraph ...

The geomagnetic field, generated by the convecting motions of Earth’s liquid outer core, is a fundamental facet of our planet’s evolution. Its long‐term behaviour is recorded in rocks through the ...

The blobs lie at the base of Earth’s mantle, around 1,802 miles beneath Africa and the Pacific.

The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, prompting ...

Desert ants can sense the North-South direction of the magnetic field to determine the direction of their nest entrance during so called learning walks. How exactly magnetoreception works in animals, ...

The Midwest, Mid-Atlantic and even the deep South could be in for an aurora borealis treat Sunday night. A strong geomagnetic storm could make northern lights visible to much of the U.S. There’s a ...

In the midst of farmers busily planting in the field, a strong geomagnetic storm (G3) watch has been issued for April 16. The Space Weather Prediction Center says geomagnetic storming conditions are ...