Scientists have uncovered the oldest direct evidence yet that Earth’s tectonic plates were on the move 3.5 billion years ago. By analyzing magnetic fingerprints in ancient rocks, they reconstructed ...

Forecasters said persisting geomagnetic storm conditions may make the phenomenon more visible.

But scientists have debated for decades when this shift began. Some theories suggest that Earth’s crust was a single, rigid shell before it was shattered. A new study has uncovered the oldest evidence ...