Scientists discovered Earth's first crust had continental chemical signatures. This challenges beliefs about when these ...

A fascinating new study reveals that a massive chunk of Earth’s crust, buried deep beneath the Midwest, is slowly pulling ...

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

Earth's magnetic field flips every 200,000 to 300,000 years on average, but it's been 780,000 years since the last one.