Hundreds of millions of years ago, Earth’s magnetic field behaved in a way that has long baffled scientists, showing wild and seemingly chaotic shifts unlike anything seen before or since. A new study ...

A major defense against everything space throws at us, Earth’s magnetic field may even protect the moon from damaging ...

Earth's magnetic field is like an all-encompassing shield, mostly deflecting charged particles that are launched from the sun. But this shield isn't flawless; it has weak points that leave openings ...

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 ...