The Earth’s magnetic field, a silent guardian against harmful solar radiation, has been behaving strangely in recent years. This has sparked many questions and concerns about the implications of such ...

Long before life thrived in Earth’s oceans, the planet’s magnetic field became disorganized. Deep within the ancient rocks of ...

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 ...

A vast and evolving anomaly in Earth’s magnetic field, situated above South America and the southern Atlantic Ocean, continues to attract focused attention from NASA researchers. This region, known as ...

More than a decade of satellite monitoring has mapped Earth’s magnetic field as it subtly altered between 2014 and 2025 — and what scientists have learned is remarkable. The South Atlantic Anomaly, a ...

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. One of Earth’s deepest mysteries lies beneath our feet: the ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Moroccan rocks suggest that what had been thought to be wild, random movements of continents was actually Earth's magnetic ...

Specialists found that in people with regular blood pressure, heart rate variations are not related to the magnetic field variations, and only the baroreflex reacted to those changes as it turned out ...

Scientists have captured faint magnetic signatures resulting from the tidal movement of seawater across the planet — and they might have to wait until 2030 to get another shot at it. When you purchase ...

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. Recent research suggested this dense center reversed its spin ...