About Mickey Mellen Mickey has been using Google Earth since it was released in 2005, and has created a variety of geo-related sites including Google Earth Hacks. He runs a web design firm in ...

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, about ...

Researchers on Tuesday said an intensive study of Earth’s deep interior confirmed the existence of a distinct structure inside our planet’s inner core.

A heat-pipe model of Earth, whereby interior heat is brought to the surface through localized channels, yields predictions that agree with craton data and the detrital zircon record, and offers a ...

Seismic Tomography of the Earth's Interior: The first three-dimenstional models of the earth's structure promise to answer some basic questions of geodynamics and signify a revolution in earth science ...

Scientists have harnessed powerful waves from earthquakes to measure Earth's innermost layer and found that our planet's center is a 450-mile-wide (725 kilometers) ball of solid iron-nickel alloy.

A new study suggests that Earth's true core could be a ball of iron-nickel that scientists hadn't uncovered yet.

Learn how to make a scale model of the Sun and the Earth with this guide for KS3 physics students aged 11-14 from BBC Bitesize.

USC scientists have made a groundbreaking discovery about the nature of Earth’s enigmatic inner core, revealing for the first time that this 1,500-mile-wide ball of iron and nickel is changing ...