Geologists found evidence in the way enigmatic sandstones called Tava formed in the Rocky Mountains hundreds of millions of ...

Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a ...

Scientists have calculated the Earth to be 4.54 billion years old, with an uncertainty of 50 million years on either side.

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than previously thought — and may be a big reason that our planet harbors life.

If Earth's history were a calendar year, humans would not appear until the last few minutes before midnight on Dec. 31.

Cemeteries not only provide a peaceful place to contemplate and commemorate the dead. They are also great places for studying ...

Earth's crust, or the outermost shell of the planet, has drastically changed throughout geologic history, mostly due to the ...

One of the best known examples of that latter phenomenon is the Cambrian Explosion—the geologic period some 530 million years ...

Cratons are believed to be the longest-lived regions of the Earth, but a new study shows how dynamic processes can cause their eventual disintegration.

Geologic maps, however, are not an exact depiction of the Earth’s surface. Instead, they display a generalization of ...

The Earth's mantle might not always move along ... Do you have a question about geology? Let us know via [email protected].

The Geological Society of America (GSA) proudly announces the acquisition of Mountain Press Publishing Company’s award-winning geology series, Roadside Geology, Geology Underfoot, and Geology Rocks!, ...