Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky.

A major dip in the Earth’s magnetic field over the South Atlantic has been puzzling scientists for over a century. An international team of researchers analyzed data collected by the European Space ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth.

Satellite data has revealed a growing weak spot in Earth’s magnetic field over the South Atlantic – and it’s been expanding steadily for the last 10 years. The South Atlantic Anomaly – a strange weak ...

NASA's MMS (Magnetospheric Multiscale) mission, consisting of four identical satellites flying in formation, constantly monitors the interactions between Earth's magnetic field and the solar wind.

It would be an understatement to say that the Earth's magnetic field is important. It's one of the reasons we're able to live on this rock tumbling through space, and it also gives us the gorgeous ...

Here’s what you’ll learn when you read this story: The South Atlantic Anomaly (SAA) is a particularly weak region of the magnetic field stretching from South America to western Africa. Wherever the ...