Explore Earth's hidden layers beneath our feet. This kid-friendly guide includes a neat diagram and fun descriptions of the 4 layers of the Earth.

There is more to Earth than what we can see on the surface. Both the exterior and interior regions of the planet are made up of many layers with various properties. These layers are formed because ...

Stock image: A 3D rendering showing the structure of planet Earth. What is the hottest layer of the Earth? iStock Below this is the dense inner core, which is around 750 miles thick and consists ...

Scientists looked into decades of seismic wave data and found that it behaved differently in distinct parts of the cores.

The idea that the Earth has four layers has long been considered a basic tenet of geology, taught to schoolchildren around the globe. Think of it like an onion: First there is the crust, which is ...

While this new layer is difficult to observe, its existence may point to an unknown, dramatic event in Earth's history. Investigating the structure of the inner core can help us understand more ...

A newly confirmed layer of the Earth could give scientists a better understanding of plate tectonics and could help them better predict earthquakes, according to to research published by the Univer… ...

Scientists have found signs that Earth has another layer — a metal ball inside the inner core.

Scientists say they have discovered a hidden new layer under the Earth's upper mantle that could help us better understand plate tectonics.