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 ...

Every few hundred thousand years, Earth’s magnetic poles flip, turning north into south and south into north. These geomagnetic reversals can take thousands of years, but shorter disruptions—called ...

An illustration of what the aurora might have looked like during a polar reversal about 41,000 years ago. Earth’s magnetic field is created by its rotation, as well as the rotation of our planet’s ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Ancient Homo sapiens may have benefited from sunscreen, tailored clothes and the use of caves during the shifting of the magnetic North Pole over Europe about 41,000 years ago, new University of ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...