Normally, younger rocks are deposited above older ones, forming predictable geologic layers. In the North Sea, this process ...

Of all Earth’s layers, the inner core is the most remote and mysterious. This solid sphere of iron and nickel is about 70% the size of the moon, with a radius of approximately 759 miles (1,221 ...

Scientists had already hypothesized that water could be stored in the Earth’s mantle, but the discovery of such a massive volume of water, stored at such extreme depths, is a game-changer.

A wealth of new information about Earth’s inner core has surfaced in recent months. Scientists now have evidence that the planet’s innermost layer is changing shape. Sign up for CNN’s Wonder Theory ...

Earth Science Earth’s Inner Core Has Warped Over the Past Two Decades, Scientists Say The rotation speed and shape of Earth's deepest layer has been experiencing some surprising changes.

A groundbreaking study by the University of Göttingen in Germany, published in the journal Nature, suggests that Earth's core is leaking gold and other precious metals into the layers above.

Around 3,000 kilometers (1,864 miles) beneath our feet, there's a mysterious band of material called the D" layer, which has long fascinated scientists for its lumpiness. Thin in patches and thick ...

There's a lot more to Earth than meets the eye. Far from being just a roundish rock barreling through space, our planet is composed of several layers held together by intense forces of gravity ...

Now, I’m a geophysicist and know a lot more about Earth’s structure. It has three main layers: The outer skin, called the crust, is a very thin layer of light rock.

Of all Earth’s layers, the inner core is the most remote and mysterious. This solid sphere of iron and nickel is about 70% the size of the moon, with a radius of approximately 759 miles (1,221 ...