Roughly 250 million years ago, traveling from present-day Australia to North America would have been surprisingly simple-a ...

At the top of the world, there is a sea—the remains of one, at least. The summit rocks of Mount Everest, the highest ...

Scientists have long thought that the South Pole-Aitken basin was formed by a shallow-angle impact, but new research suggests ...

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

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To find out, the team used whole-Earth oscillation data from 104 past earthquakes to create a detailed 3D model of the upper ...

The Tibetan Plateau, often called the "roof of the world," continues to baffle geologists and others curious about Earth’s ...

A section of the upper mantle and crust under the Sierra Nevada mountains is peeling away, in a process that may mimic how the continents were formed.

Research on hidden structures deep within Earth’s mantle challenges theories about our planet’s middle layer and could ...

The heavier elements in oceanic crust are part of the basaltic recipe found in the upper mantle, implying the makeup of the continental crust could be the result of denser components separating out of ...

These movements are fueled by heat from the Earth's core. The mantle is divided into two parts: the upper mantle and the lower mantle. The upper mantle, closer to the surface, is the site of the ...