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 monitoring our world. It's called the South Atlantic Anomaly, stretching across ...

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

Earth’s magnetic field is essential to life on our planet. It protects Earth from cosmic radiation and acts as a shield ...

NASA has been monitoring a strange anomaly in Earth's magnetic field: a giant region of lower magnetic intensity in the skies above the planet, stretching out between South America and southwest ...

Researchers report expansion of South Atlantic Anomaly in earth's magnetic field, but assure no imminent threat or collapse.

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

An unusual reduction in the strength of the Earth’s magnetic field between 591 and 565 million years ago coincided with a significant increase in the oxygen levels in the atmosphere and oceans, ...

Although the Earth’s magnetic field is reliable enough for navigation and is also essential for blocking harmful solar emissions and for improving radio communications, it’s not a uniform strength ...