the South Atlantic Anomaly arises from two main features—the tilt of the Earth and the flow of molten metals within its outer core. The Sun expels a constant outflow of particles and magnetic ...

NASA scientists are concerned about a strange anomaly in Earth's magnetic field, which can make life at the International Space Station difficult. The vast and evolving phenomenon is called the ...

A magnetic observatory is being re-established on South Georgia to provide vital data on the 'South Atlantic Anomaly' as scientists monitor a possible reversal of the earth's magnetic field.