A report from Space Daily says the moon is receding from Earth at 3.8 centimetres per year.

The Earth's liquid molten outer core, composed mostly of iron and nickel, exerts an electromagnetic field extending from the north and south pole that protects the planet from harmful solar particle radiation. Fluctuations in the strength of Earth's ...

Scientists confirm the northern boundaries of Zealandia, Earth's eighth continent, is submerged across almost two million square miles.

Earth’s surface is warming, but the upper atmosphere has been cooling for decades, and scientists now understand why.

The first color image of the whole Earth prompted people to think of home, and the environment, in a new way, writes Stewart Brand.

The Earth’s crust is constantly changing. It’s currently made of many huge rock slabs called tectonic plates—seven major ones along with many more smaller plates—that fit together like puzzle pieces and move around atop the planet’s molten ...