Imagine the dramatic reshaping of the continents if North America suddenly vanished beneath the waves. Today it feels like ...

A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...

The route from North America to Fiji might be the longest overwater ... evidence suggests the ancient iguanas might have floated on vegetation.

As you read this, the North American continent’s underside is dribbling away into Earth’s molten mantle. And according to ...