Known as stratigraphic inversion, this discovery challenges our fundamental understanding of how Earth’s layers are formed. A ...

Usually, geologic layers build on one another, with younger rocks piling on top of older ones. A new study, however, shows ...

There's a lot more to Earth than meets the eye. Far from being just a roundish rock barreling through space, our planet is composed of several layers held together by intense forces of gravity ...

Many parts of Earth are covered and protected by a layer of organisms called a biocrust. The layer acts as a skin for the Earth, protecting landscapes and reducing long-term damage. But climate ...

The Earth's layers (main) and the sun (inset). The sun's influence may reach deeper into the Earth than we thought. ISTOCK / GETTY IMAGES PLUS. Marine life around the ...