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

breaks (or "unconformities") when no sediment was being deposited, and a much faster tempo of evolution," he said in a ...

The Snowball Earth hypothesis has been largely based on evidence from sedimentary rocks exposed in areas that once were along ...

Experts noted that the age of rocks changed sharply and found that this was replicated in several places around the world, giving it the name, The Great Unconformity. Authors of one study were able to ...

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.

A new study reconstructs how an ancient North American rift system was uplifted in space and time due to subsequent continent-continent collision.

Around 700 million years ago, the Earth cooled so much that scientists believe massive ice sheets encased the entire planet ...

Growing up in Long Beach, California, his parents adhered to a creationist view of the universe. But young Koerner caught ...

it turns out this gap is because we can’t find any Mesozoic-aged rocks with dinosaur fossils. The gap represents what paleontologists call a type of “megabias” or an unconformity ...

Since soon after our planet formed, Earth's 4.6 billion-year-long history was dominated by single-celled life. Something ...

Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment in 1879. Congress created the USGS to “classify the public lands and ...

A group met at the University of Alaska Fairbanks last week to brainstorm a possible new economy for Alaska and clean energy source for the world — geologic hydrogen. We bump into hydrogen every ...