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 ...

Research on hidden structures deep within Earth’s mantle challenges theories about our planet’s middle layer and could ...

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 ...

Qingyang Hu (Center for High Pressure Science and Technology Advanced Research) and Dr. Jie Deng (Princeton University) suggests the D" layer might have originated from Earth's earliest days.

While most of us take the ground beneath our feet for granted, written within its complex layers, like the pages of a book, is Earth's history.

The story of our planet's history is told by its layers and research suggests a new chapter may be about to be written. Boffins have found evidence that the Earth's inner core has another smaller ...

This article was originally published with the title “ The Plastic Layer of the Earth's Mantle ” in Scientific American Magazine Vol. 207 No. 1 (July 1962), p. 52 doi:10.1038 ...

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.

and lower thermospheric layer (about 90-110 km above Earth's surface) of the atmosphere, including the ignorosphere," explained Professor Kaoru Sato from the University of Tokyo. "If we can better ...