Earth's middle layer is chunky, like peanuts in a sea of caramel. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In Geology 101, Earth's ...

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 ...

While most of us take the ground beneath our feet for granted, written within its complex layers, like the pages of a book, is Earth's history. Our history. Research shows there are little-known ...