Understanding Earth's Crust Earth's crust ranges from 5 to 70 kilometers in thickness and serves as the planet's outermost ...

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 Grand Canyon is a gigantic geological library, with rocky layers that tell much of the story of Earth’s history.

While we can't see deep into the Earth, geologists have a variety of neat tricks to create a picture of our Earth's layers. Just like a kid's jawbreaker, Earth consists of layers that differ in ...

There is more to the Earth than what we can see on the surface. In fact, if you were able to hold the Earth in your hand and slice it in half, you'd see that it has multiple layers. But of course, the ...

A study by researchers at the Australian National University (ANU) suggests the existence of a distinct fifth layer within Earth's inner core, termed an "innermost inner core," located approximately 3 ...

Learn how the fossils of ancient organisms help scientists navigate deep time — and uncover Earth’s hidden history.

When the famed explorer John Wesley Powell bumped, splashed and thrashed his way down the Colorado River in 1869, he discovered one of the most striking geologic features on Earth. Not the Grand ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The Earth is missing some of its crust, and now scientists have a new lead on what's to blame: A ...

Whether you're an avid rock collector or simply interested in the world around you — this new tool is designed to make ...

BUFFALO, N.Y. — The University at Buffalo Department of Geology is about much more than rocks and minerals. Its faculty and students perform cutting-edge research on everything from how glaciers react ...