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

ESA’s Swarm mission reveals the South Atlantic Anomaly has expanded by half the size of Europe since 2014, exposing ...

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

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

Earth’s magnetic field protects the planet from space weather like cosmic radiation and charged particles from the Sun. The ...

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

The South Atlantic Anomaly, a strange dip in the Earth's magnetic field, has grown rapidly over the last eleven years, new ...

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

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

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

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

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