Add Yahoo as a preferred source to see more of our stories on Google. 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 idea is much older than the modern flat-Earth movement. Its history passes through ancient religion, early astronomy ...

This article predates Brown Brothers Media’s ownership of Science Blog and has not been reviewed under our current editorial process. It is preserved as part of the publication’s archive. Researchers ...

Caltech researchers have developed a new method to study Earth's structure deep beneath the surface, at the boundary between Earth's brittle crust and the underlying mantle, a region called the ...

Earth cross section showing the classic distinction between crust, mantle and core. But new research shows Earth's structure is far more complicated and may change over time. Analyzing an unusual ...

This artist’s concept of the Earth’s core shows the inner core in red, the outer core in blue, and the donut in red. The donut region contains more light elements around the equator. Image via ...

An international research team may have found an explanation for seismic anomalies, the noticeable deviations in the behavior of earthquake waves, in Earth's inner core. A team led by scientists from ...

The Earth has a shell-like structure. It is divided into a core (inner and outer core), a mantle (lower and upper mantle, separated by a transition zone), and the earth's crust. You are free to share ...