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 ...

Below the crust lies the mantle and many other layers separating the surface from the Earth’s center 4,000 miles down. Whether our planet also includes water in those layers has long been debated.

Earth’s core seems to be surrounded by enigmatic layer, geologists say Jagged region sits at boundary between liquid and solid rock and might be remnants of ancient seafloor April 10, 2023 ...

The ionosphere is one of the Earth’s atmospheric layers, stretching from 60 km to more than 950 km in altitude. Containing electrically charged plasma, its lower half, ...