America's geological wonders don't need erupting volcanoes to create breathtaking spectacles that look straight out of a science fiction movie. From towering mushroom-shaped rocks to mysterious moving ...

In August, the United States Geological Survey (USGS) released its most extensive geological map to date. It's called The Cooperative National Geologic Map, and it provides an interactive look at the ...

The US Geological Survey released its assessment of potential for undiscovered oil and gas in the Niobrara formation in southwest Wyoming and northwest Colorado. The assessment determined that there ...

Roadside geology of U.S. Interstate 80 between Salt Lake City and San Francisco : the meaning behind the landscape / by W. Kenneth Hamblin ... [et al.] ; sponsored by the American Geological Institute ...