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 the third largest continent in the world. It is located in the Northern Hemisphere. The north of the continent is within the Arctic Circle and the Tropic of Cancer passes through ...

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

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

Add articles to your saved list and come back to them any time. Aboard Air Force One: US President Donald Trump, who in January became the oldest person to assume the US presidency, has undergone ...