Let's say we want to build a model of the sun and Earth alone. Earth has a radius of about 6,371 kilometers (3,959 miles), but let's represent this with a marble 1 centimeter in diameter.

Explore Earth's hidden layers beneath our feet. This kid-friendly guide includes a neat diagram and fun descriptions of the 4 layers of the Earth.

This diagram easily breaks down the science of what's happening in space with the sun, moon, and Earth during the April 8 total solar eclipse.

The Earth is made up of different layers: Therefore, instead of tectonic plates moving because of the convection currents, evidence suggests it is the plates that drive the convection. Slab pull ...

This diagram easily breaks down what's going on with the sun, moon, and Earth during the August 21 total solar eclipse.

Diagram showing the layers of Earth. iStock. Volcanic activity is the planet's main cooling mechanism. Certain volcanism, such as that which is still forming volcanic islands of Hawaii and Iceland ...

This article was originally published with the title “ Population of the Earth, in Diagram ” in SA Supplements Vol. 39 No. 1006supp (April 1895), p. 16081 doi:10.1038 ...

Earth's deepest cave mapped: Amazing diagram charts every twist and turn of the terrifying 7,200ft deep abyss. The Krubera cave is located in the Arabika Massif on the edge of the Black Sea in ...

Diagrams of the earth’s water cycle used in education and research throughout the world are in urgent need of updating to show the effects of human interference, according to new analysis by a BYU-led ...