Ancient rocks show Earth’s magnetic field followed deep heat patterns inside the planet for hundreds of millions of years.

Earth’s magnetic field is often described as a steady shield, but the geological record tells a more restless story. Polarity flips, when magnetic north and south swap places, happen several times per ...

Earth’s magnetic field can linger in a weakened, unstable state for tens of thousands of years before fully flipping.

Earth’s magnetic field is easy to forget. It doesn’t make noise, it doesn’t flash, and it doesn’t ask for attention. Yet it ...

Far below the deepest boreholes, Earth’s core appears to keep its own rhythm, a slow magnetic throb that repeats roughly ...

In A Nutshell Two massive hot regions deep beneath Africa and the Pacific Ocean have been influencing Earth’s protective ...

Polarized light observations from ALMA reveal the magnetic structures and galactic outflows in Arp 220, the nearest ultraluminous infrared galaxy to Earth, providing detailed field maps.

Earth’s magnetic field and atmospheric oxygen appear to have moved in sync for half a billion years, pointing to a surprising connection between the planet’s deep interior and life-supporting ...

Two ways of measuring how fast the universe is expanding disagree, a puzzle known as the Hubble tension. Tiny magnetic fields ...

New radio observations of the Milky Way are exposing hidden patterns in its magnetic field. People have scanned the night sky ...