Earth's protective magnetic shield has a weak spot, the South Atlantic Anomaly, which is expanding and splitting. This anomaly, driven by changes in Earth's core, poses risks to satellites and ...

The sun’s magnetic poles are about to flip, and it could cause lower latitude northern lights, more intense solar storms and potential danger for astronauts and satellite communication. However, ...

NASA detects first “magnetic switchback” near Earth: an energetic change in your space shield that reveals new solar risks.

Though you might think that compasses will always point towards the geographic north pole, the magnetic and geographic poles ...

Earth’s magnetic field seems steady and true — reliable enough to navigate by. Yet, largely hidden from daily life, the field drifts, waxes and wanes. The magnetic North Pole is currently careening ...