Earth’s heart may have a secret chamber. The planet’s inner core isn’t just a solid ball of nickel and iron, researchers say, but contains two layers of its own: a distinct central region nestled ...

The distance from the Earth's surface to its center is almost 4,000 miles—but our planet's structure is not uniform and is actually made up of several different layers, some of which are hotter than ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

In recent research published by myself and my colleague Tony Yeates in the journal Tectonophysics, we investigate what we believe – based on many years of experience in asteroid impact research – is ...

A buried wedge of stiff mantle rock might be the reason why the Himalayas and the Tibetan Plateau have stayed so high for tens of millions of years. A new study suggests that this hidden layer, ...

The Deniliquin structure could be up to 520 kilometers wide. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was originally ...