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 ...

The Earth is made up of different layers: Therefore, instead of tectonic plates moving because of the convection currents, evidence suggests it is the plates that drive the convection. Slab pull ...

Although we’ve hardly scratched Earth’s surface (the center lies nearly 4,000 miles deep, and the deepest borehole penetrated just 7.6 miles), scientists can ... data on the likely makeup of the ...

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 ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. A group of scientists has discovered a hidden layer of molten rock under the Earth’s ...

Despite seeming like a relatively stable place, the Earth's surface has changed dramatically ... there are many horizontal layers, which are called strata. The study of strata is called ...