With tectonic plates bumping and grinding against each other, Earth is a pretty active planet. But when did this activity begin? A new study from Yale University claims to have found evidence that ...

Tectonic plates — which divide Earth’s crust and reshape our planet in an ongoing, dynamic process — may be the key to supporting life. In fact, because Earth is the only planet known to be home to ...

Learn more about the pounding plume of molten rock that’s beneath Ethiopia, forcing its three tectonic plates to separate. Continents aren’t torn apart without warning, and oceans certainly aren’t ...

A new paper has revealed that tectonic activity on this planet—a unique feature in the solar system—could have been spurred by a stream of asteroid impacts. Previously, computer models have shown that ...