It seems as if Earth's atmosphere is incredibly thin, wrapped tightly around our planet. In fact, the atmosphere consists of multiple layers, with some scientists of the opinion that the atmosphere ...

The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball ...

Earth's innermost layer is called the core ... Marilyn Perkins is the content manager at Live Science. She is a science writer and illustrator based in Los Angeles, California.

Earth’s innermost layer is a hot, solid ball of metal surrounded ... malleable than it is at deeper levels. “It’s almost ...

The Earth is made up of different layers. The outermost is the crust ... Visualizing what is happening at the inner core is "almost science fiction," Vidale said to CNN, because it is "so ...

These clips are from the BBC series, Primary Focus Science and Science Clips, Earth, Sun and Moon. Our main source of natural light is the Sun. Nuclear reactions at the core of the Sun create ...