Earth's diameter is about 7,900 miles. The planet's internal structure comprises four layers: a rocky crust on the outside, then a rocky mantle, an outer core made of magma and a solid inner core.

Researchers have found evidence of changes in the structure of the Earth’s core. University of Southern California team, led by Professor John Vidale, was investigating the inner core’s ...

In this way, something 'new' could be seen: "We found evidence that may indicate a change in the structure of iron, suggesting perhaps two separate cooling events in Earth's history." It should be ...

However, new research suggests that the universe’s large-scale structure has developed in an unexpected way – becoming “messier ... Check us out on EarthSnap, a free app brought to you by Eric Ralls ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Scientists who just ...

Many geologists attribute the great variation in the temperature gradient to complex irregularities in the structure of the earth's crust. Some even maintain that the interior of the earth is cold ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A small space rock ...

The Earth’s surface plays a critical role in the Earth system by interacting with the ocean and the atmosphere. To understand the Earth system, scientists must observe how the Earth’s surface changes ...

They see a link between geoscience progress and the push for sustainable solutions. Training new scientists is essential for advancing our understanding of Earth’s changing structure. Young ...

This is the background to the discovery of super-Earth HD 20794 d by an international ... begun to provide solid hypotheses and evidence to answer it. However, astronomers are making slow progress.

NASA experts have confirmed that asteroid 2024 YR4 could potentially collide with Earth. In response, the United Nations activated the Planetary Security Protocol for the first time in history ...

Instead of drilling blindly or assessing only the top layer of earth, he turned to the wealth of geological data from the oil industry to pinpoint where freshwater might be stored underground.