The Earth's interior ... nearly as hot as the surface of the sun. The deepest layer is a solid iron ball, about 1,500 miles (2,400 kilometers) in diameter. Although this inner core is white ...

Cratons are the oldest and most stable parts of Earth’s continents. Think of them as the tough "core" of continents ...

And the inner core is made of solid iron and nickel. The surface of the earth is constantly changing ... and cartographers (people who drew maps). They noticed that coastlines of some countries ...

The two ‘islands of rock’ each measure more than 620 miles / 998km tall, dwarfing anything found on Earth’s surface and ...

According to plate tectonics theory, Earth's outer shell is divided into multiple plates that slowly glide over the mantle. This slowly changes Earth's surface ... animated maps based from his ...

New research suggests that Earth's first crust, formed over 4.5 billion years ago, already carried the chemical traits we ...

With a radius of 3,959 miles, Earth is the fifth largest planet in our solar system, and it's the only one known for sure to have liquid water on its surface ... the inner core, a solid sphere ...

In the Earth (see image below right), the liquid ... This energy comes from the release of heat from the surface of the solid inner core. Although it may seem counterintuitive, material from ...