The oldest crust on Earth, known to be unchanging, is actually being altered in real time. The North American continent is "dripping" rock into the lower layers of the Earth, new research says ...

The North American continent is "dripping" rock into the lower layers of the Earth, new research says, and in the process providing new information about how continents and landmasses evolve ...

This map shows seismic speed in the Earth’s crust at 200 kilometers depth across the continental United States and portions of Central America and Canada. The North American craton (outlined in ...

A study published in the journal Nature Geoscience has revealed a subtle yet significant phenomenon beneath the North American continent; its ancient bedrock is slowly dripping into the Earth’s ...

Frederick de Wit's decorative map, made about 1650, includes oval vignettes of Latin American cities along the top border. Single figures of different native peoples line either side, including a ...

A map produced by the authors of a new study in Nature Geoscience shows the relative seismic velocity of material that is 200 kilometers below Earth’s surface and located around the base of the ...