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 ...

Researchers studying decades of earthquake data say they have found the first evidence that, in addition to spinning backward ...

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 ...

NASA is fueling an exciting future for citizen science by funding 25 new projects across diverse fields, from astrophysics to ...

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.

Japanese scientists have created the first-ever long-term dataset about Earth's entire atmosphere, stretching all the way to space. They hope the project ... the layer above the troposphere.

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 ...

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 ...

Earth's interior is made up of a series of layers that sit below the surface crust. In order of depth, these layers include the solid, but flowing mantle, the liquid outer core and the solid iron ...