A vast and evolving anomaly in Earth’s magnetic field, situated above South America and the southern Atlantic Ocean, continues to attract focused attention from NASA researchers. This region, known as ...

A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Using 11 years of magnetic field measurements from the ...

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 ...

Magnetic fields play an important—if sometimes underappreciated—part in planetary systems. Without a strong magnetic field, planets can end up as a barren wasteland like Mars, or they could indirectly ...