Scientists uncover hidden land under Iceland, questioning our understanding of Earth's continents and tectonic plates.

How's your knowledge of Earth's geology? Flat, round or global?

Deep within Earth, there lies a mysterious layer called the D" layer. Located roughly 3,000 kilometers down, this zone sits just above the boundary between the planet's molten outer core and its ...

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 ...

While most of us take the ground beneath our feet for granted, written within its complex layers, like the pages of a book, ...

A new way of measuring structures deep inside Earth has highlighted numerous previously unknown blobs within our planet's ...

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

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 article was originally published with the title “ The Plastic Layer of the Earth's Mantle ” in Scientific American Magazine Vol. 207 No. 1 (July 1962), p. 52 doi:10.1038 ...