More than a decade of satellite monitoring has mapped Earth’s magnetic field as it subtly altered between 2014 and 2025 — and ...

NASA's MMS (Magnetospheric Multiscale) mission, consisting of four identical satellites flying in formation, constantly ...

"There’s something special happening in this region that is causing the field to weaken in a more intense way." ...

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

The South Atlantic Anomaly (SAA) is a particularly weak region of Earth’s magnetic field that can cause satellites to ...

A giant dent in Earth's magnetic field is continuing to expand, according to the latest data from a trio of satellites ...

Satellite data reveal that a weak region in Earth's magnetic field has grown by an area roughly half the size of continental ...

A notorious weak spot in Earth’s magnetic shield is growing larger and weaker. This is the conclusion of a new analysis of ...

Scientists have known for decades that many animals use the Earth's magnetic field for navigation. It's less clear how they do it. A new study suggests earthworms may be a good way to figure it ...

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

Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects ...

New satellite data show Earth’s magnetic field changing fast, with a growing weak spot over the South Atlantic.