Using 11 years of magnetic field measurements from the European Space Agency’s Swarm satellite constellation, scientists have ...

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 ...

The South Atlantic Anomaly, a huge weak spot in the geomagnetic field off South America, has expanded and sprouted a lobe in ...

The magnetic north pole, distinct from the geographic North Pole, is the point where Earth’s magnetic field lines converge. NASA via Rawpixel For decades, Earth’s magnetic north pole has been slowly ...

One of Earth’s deepest mysteries lies beneath our feet: the planet’s inner core. Made of iron and nickel, the hot, solid sphere is about 70% the size of the moon. Recent research suggested this dense ...

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, ...

The weak spot, known as the South Atlantic Anomaly, was identified in the 19th century and expanded in recent years.

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 ...

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 ...

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 ...

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 ...