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 ...

The Earth has five oceans, right? There’s the Atlantic, Pacific, Indian, Arctic, and Southern Oceans. Even the Southern Ocean is relatively new so you may have learned that Earth only has four. But ...

A recent study reveals a new, distinct fifth layer of Earth deep inside the core, which could help inform the evolution of Earth’s magnetic field. Back in my day, there were only four layers of Earth: ...

Intense pressure and sweltering temperature would accompany a trip down through Earth's layers and out through the other side. However, this trip would be possible only in science fiction. When you ...

Beneath the picturesque peaks of California’s Sierra Nevada lies a phenomenon that could change our understanding of the ...