The Earth with the upper mantle revealed. Researchers at The University of Texas at Austin have discovered a previously unknown layer of partly molten rock in a key region just below the tectonic ...

The Earth as we see it today is the result of billions of years of changes on the surface of the planet. The movement of tectonic plates determines the arrangement of the continents, and they're ...

The layer of molten rock corresponds with the upper mantle, also known as the asthenosphere. Illustration: cigdem (Shutterstock) Earthquakes and volcanic eruptions are a result of the movement of ...

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NORFOLK, Va. — Fault lines are fractures or breaks in the Earth's crust where tectonic plates move past each other, often resulting in earthquakes. These geological features are classified into three ...

Scientists have discovered a new layer of partly molten rock under the Earth’s crust that might help settle a long-standing debate about how tectonic plates move. Researchers had previously identified ...