Scientists uncover hidden land under Iceland, questioning our understanding of Earth's continents and tectonic plates.

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But do other planets in the solar system have them too?

The Earth's hard outer layer (where we live ... The plates fit together like jigsaw puzzle pieces far beneath our feet. Tectonic plates move - usually very slowly - and this broke Pangaea up ...

In the arid deserts of Ethiopia, a geological marvel has been quietly unfolding since 2005—a 35-mile-long fissure known as ...

Earth's lithosphere — its crust and rigid ... Without the convective mantle, there wouldn't be enough energy to move the plates. But convection on its own isn't enough to guarantee that a ...

New study questions whether the continents, North America and Europe, ever completely split apart tens of millions of years ...

Scientists are predicting that Earth's eighth continent could develop a lot sooner than initially thought. We'll be long dead ...

Nobody knew what they are, and whether they are only a temporary phenomenon, or if they have been sitting there for millions ...

Their research revealed that in the present day, deep below the Earth's surface, the Neotethys oceanic plate -- the ocean floor that used to be between the Arabian and Eurasian continents -- is ...

The diagram below shows the structure of the earth. In geography ... The oceanic plate is denser than the continental plate. As they move together, the oceanic plate is forced underneath the ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for decades. Now, Harvard researchers think they have a good explanation for ...