That’s the antipode, or opposite point on Earth’s surface, from my town. But I only had a garden spade to move the earth.

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 ...

Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

The mantle is Earth's largest layer of rocks. However ... This happened on Expedition 399 of a project called the IODP (International Ocean Discovery Program). As well as offering new insights ...