Deep beneath California's Sierra Nevada mountains, geologists have found evidence of Earth's rigid outer layer sinking into the mantle, like a sugar cube slowly descending and dissolving into a pool ...

The continent of North America is not a single, thick, rigid slab, but is instead more similar to a layer cake, with a section of 3-billion-year-old rock sitting atop much newer material, a new study ...

The lithosphere is the layer of Earth we call home. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The lithosphere is the outermost layer of ...

The Earth’s interior is far more complex than what we are taught in school. Instead of just three layers- crust, mantle, and core- the Earth is made up of multiple intricate layers, each with its own ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A mysterious layer lies beneath Earth's massive tectonic plates. Sandwiched between two rock ...