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

From galaxies to the Sun, new research explains how turbulent motion can produce large-scale magnetic fields that remain ...

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

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

Earth's magnetic field dramatically flipped roughly 41,000 years ago. Now you can actually 'hear' this epic upheaval, thanks to a clever interpretation of information collected by the European Space ...

Deep beneath our feet, far below the crust and mantle, Earth is quietly sending out a slow magnetic heartbeat. Every seven ...

Protective force fields exist and you’re already living inside one. About 1,800 miles beneath the ground you’ll reach the border of Earth’s outer core, a subterranean ocean of liquid iron and nickel 1 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: The Earth’s magnetosphere protects life from deadly ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: It used to be thought that there were more volatiles ...

A team of geologists found for the first time evidence linking regions of low seismic velocity and the shape of the Earth’s magnetic field.

A groundbreaking study,published in Nature Geoscience, has revealed the existence of two massive blobs of superheated rock ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...