In a nutshell A massive hot rock plume from Earth’s mantle helped create a land bridge between Africa and Asia 20 million ...

Something strange is happening beneath the heart of North America. The continent’s ancient core, the craton, is changing ...

An ancient slab of Earth's crust buried deep ... The slab's pull has created giant "drips" that hang from the underside of the continent down to about 400 miles (640 kilometers) deep inside ...

As these ancient continents approached one another, the ocean between them was destroyed, leaving behind the Caledonian–Appalachian mountain belt to mark the join. These tectonic ideas have ...

Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...

Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust above it to "drip" and suck down rocks from across the continent.

Alexander the Great founded over 70 cities and created an empire that stretched across three continents, covering 2 million square miles. There was never one country called ‘ancient Greece’.

Alexander the Great founded over 70 cities and created an empire that stretched across three continents, covering 2 million square miles. There was never one country called ‘ancient Greece’.