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

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

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), a known region of Earth’s magnetic field weakness, has been under the observation of the ...

Learn about the growth of the South Atlantic Anomaly, a region where Earth's magnetic field has significantly weakened.

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 ...

A weak zone in Earth’s magnetic field, known as the South Atlantic Anomaly, has expanded at an alarming rate over the past ...

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

CubeSat satellite activates after a powerful solar storm and discovers two new and mysterious radiation belts around Earth.

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

Scientists have developed a way to produce models of where the magnetic field lines are several times each day. Here we have created a time-lapse version of these models over four days (2-3 each day) ...