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 ...

The Earth with the upper mantle exposed. Researchers at The University of Texas at Austin have discovered a previously unknown layer of partly molten rock approximately 100 miles beneath the Earth's ...

Researchers have detected a previously unknown layer of partially molten rock beneath Earth's crust. The discovery could help scientists learn more about the movements of Earth's tectonic plates, ...

The layer, located 100 miles below the Earth's surface, could help shed light on how the tectonic plates move. Reading time 2 minutes Earthquakes and volcanic eruptions are a result of the movement of ...

Beneath the picturesque peaks of California’s Sierra Nevada lies a phenomenon that could change our understanding of the planet’s geology. Recent research has uncovered evidence suggesting that ...

The center of Earth lies around 4,000 miles under our feet — but what lies beneath the outer crust and the inner core? When you purchase through links on our site, we may earn an affiliate commission.

Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds. When you purchase through links on our site, we may earn an affiliate ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn in this story: What are now thought to be the oldest rocks ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The discovery could ...

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 ...