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

North America is dripping—with sizable blobs of rock sinking from the underside of the continent, beneath the U.S. Midwest, ...

The continent across the Atlantic Ocean, where wildlife thrives among the varied landscapes: North America is the focus of the sixth episode of Seven Worlds, One Planet. Huge cities with ...