Earth's crust ranges from 5 to 70 kilometers in thickness and serves as the planet's outermost layer. This thin shell represents less than one percent of Earth's total mass, yet it's the only layer we ...

They're buried thousands of miles below the surface. The post Scientists Detect Strange New Structures Deep Inside the Earth ...

Scientists probe Earth's interior using earthquake data. (Edward Garnero and Mingming Li/Arizona State University) It's a bit ...

Stanford researchers have created the first-ever global map of a rare earthquake type that occurs not in Earth’s crust but in our planet’s mantle, the layer sandwiched between the thin crust and Earth ...

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 ...

An earthquake in Alaska causing seismic waves to penetrate the Earth's innermost inner core. Credit: Drew Whitehouse, Son Phạm and Hrvoje Tkalčic. Data captured from seismic waves caused by ...

Add Yahoo as a preferred source to see more of our stories on Google. What are now thought to be the oldest rocks on Earth have been confirmed to have an age of almost 4.2 billion years, almost as old ...

When the supercontinent Pangea began to fragment around 200 million years ago during the Early Jurassic, it reshaped the face of the planet. Vast new oceans opened, continents drifted apart and the ...