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

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.

A series of rocks hiding around Colorado's Rocky Mountains may hold clues to a frigid period in Earth's past when glaciers several miles thick covered the entire planet.

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

Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment ...

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

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

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!, ...

Stephen has a science degree with a major in physics ... Immense glaciers once covered the entire Earth, reaching even the ...

There are numerous signs of some kind of geologic shift during ... study author Nadja Drabon, an Earth and planetary scientist at Harvard University, told Live Science. Crust also became shorter ...

Florida State University Assistant Professor of Geology, Emily Stewart, has conducted new research that questions the ...

Imagine a world where continents are fused into one massive landmass, and life as we know it is on the brink of ...