The main types of mountains — Earth’s ups and downs

Let’s talk some mountains.

Geological deposits hint at ancient ocean on Mars’ surface

Can’t have a devastating water wave without water!

Bizarre life forms found living in Mexican crystals

Geologists have made a shocking discovery in a crystal-rich cave in Mexico.

Paleontologists find 6.2 million year old wolf-sized otter

It was adorable, but also terrifying.

New Zealand’s earthquake pushes the sea floor 2 meters above ground

Fast geology.

Watch all the volcanoes and earthquakes since 1960 hit around the world in one app

A stunning app put together by Smithsonian’s Global Volcanism Project.

Newly-discovered fault in San Andreas may explain geologic mysteries

It might be a good thing… but we’re not sure yet.

How tsunamis form and why they can be so dangerous

Most waves form due to winds or tides, but tsunamis have a different cause altogether.

What is Gondwana

This is the story of the last in a breed of geological titans, a supercontinent we named Gondwana.

Scientists believe humans have started a new geological epoch: the Anthropocene

It’s a new time — geologically speaking, at least.