Geology

Earth surface is covered with rigid plates that move, crash into each other and dive into the planet's interior. But when did this process begin?

Nevada is becoming a major producer of lithium, thanks to topography, climate, and geologic serendipity.

Vietnam's Son Doong cave is so large, you could squeeze 15 Great Pyramids of Giza inside it and fly a Boeing 747 airplane through some of its passages.

The Himalayas' massive heights result from a unique combination of geologic factors.

The mantle is split up into two domains — the African and the Pacific — that emerged when supercontinent Pangaea broke apart.

A new video shows how Earth's magnetic field weakened and warped before temporarily flipping during a recent "polar reversal event."

The rarity of precious gemstones comes down to the geologic process of their formation.

Carlsbad Caverns National Park in southeastern New Mexico is home to 119 known caves, including North America's largest cave chamber, the Big Room.

An odd phenomenon called lithospheric dripping might occur wherever mountains form.

Experiments show how concentrations of rare earth elements, critical to the green energy transition, might be hiding in plain sight in iron-rich deposits around the world.