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's innermost layer is called the core ... Marilyn Perkins is the content manager at Live Science. She is a science writer and illustrator based in Los Angeles, California.

They believe the D" layer may be a unique composition leftover from this colossal impact, potentially holding clues to Earth's formation. The paper is published in the journal National Science Review.

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.

Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

A new layer of molten rock under the Earth has scientists scratching their ... Hawkins has been writing for over a decade, covering science, gaming, and tech culture. He also is a top-rated ...

Led by Curtin University geologists Chris Kirkland and Tim Johnson, a research team unearthed this primeval crater beneath ...

"Given how rare such evidence is due to [Earth's] geological recycling processes, this is a major breakthrough in ...

The find could hold implications for understanding the origin of life here on Earth.