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

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 ...

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

The South Atlantic Anomaly, or SAA, has been known since at least the 1960s, but there were no detailed, continuous studies ...

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

A new model uncovers how Earth’s liquid core has sustained its magnetic field since the planet’s beginnings, offering new insights into its future. Earth benefits from the presence of a magnetic field ...

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 ...