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 ...

Over time, Earth's interior—which is made mostly of silicate rocks and metals—differentiated into four layers. At the planet's heart lies the inner core, a solid sphere of iron and nickel that ...

Earth science concentrates on investigating how the planet works and why. This field delves into the many layers of the Earth and explains how those pieces fit together into a cohesive structure.

The work has been published in Progress in Earth and Planetary Science. Using a new data-assimilation ... Being able to study the interactions of these layers vertically and around the globe ...

has given us a glimpse into the composition of this mostly inaccessible layer of the Earth. You can read full details in the journal Science. The types of rock we retrieved are known as abyssal ...

In Chaos, by AIP Publishing, researchers from the University of Tsukuba and the National Institute of Advanced Industrial Science and ... affect the upper layers of the Earth's crust," said ...

A group of scientists has discovered a hidden layer of molten rock under the Earth’s surface ... has been writing for over a decade, covering science, gaming, and tech culture.