Peeling back each of Earth's layers reveals a lot about our planet's formation. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Earth's ...

The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball ...

Beneath the outermost crust, the mantle and the molten-liquid outer core lies the Earth’s solid metal center — which actually has a hidden layer, or an “innermost inner core” within ...

For decades, scientists have debated the nature and origin of what some experts consider the most anomalous and enigmatic layer of Earth’s deep interior: the boundary between its scorching-hot ...

Underneath our feet, deep down below the Earth’s crust and its other layers lies the core, or where the planet’s magnetic fields are generated. However, experts now say it’s changing and there might ...

A new series of experiments has shown that the mysterious "E-prime layer," which surrounds Earth's outer core, is created by water that leaks deep into our planet's interior. When you purchase ...

John Yang: It's one of the great environmental success stories of our time. Scientists say that a 35-year-old agreement has resulted in the steady and promising recovery of the earth's ozone layer ...

Beneath the outermost crust, the mantle and the molten-liquid outer core lies the Earth's solid metal center — which actually has a hidden layer, or an "innermost inner core" within, according ...