Deep beneath the ocean floor, ancient sediments hint that Earth’s magnetic field sometimes changed far more slowly than expected.

Earth’s magnetic field is often described as a steady shield, but the geological record tells a more restless story. Polarity ...

Earth's magnetic field is generated by the churn of its liquid nickel-iron outer core, but it is not a constant feature. Every so often, the magnetic north and south poles swap places in what are ...

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

NOAA scientists have spent decades tracking how magnetic north wanders, but recent modeling shows a pole moving in ways ...

For a few brief nights each year, you get a rare chance to watch a monster blink. The Event Horizon Telescope collaboration ...

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

It's well established that the universe is expanding, but there's serious disagreement among scientists over how fast it's happening.