Apollo moon rocks show the Moon had short bursts of strong magnetism, not a long lasting magnetic field, changing how we ...

Roughly 42,000 years ago, Earth’s magnetic field weakened dramatically during the Laschamps geomagnetic excursion, allowing more cosmic radiation to reach the atmosphere. In a peer‑reviewed study of ...

Deep inside the Milky Way, an invisible force is quietly holding everything together — its magnetic field. Now, researchers have created one of the most detailed maps ever of this hidden structure, ...

Billions of years ago, Mars likely had liquid water, rivers, and a thicker atmosphere. But when its internal magnetic field collapsed, the planet lost its shield against the solar wind, allowing ...