Most major geological events in Earth's recent history have clustered in 27.5-million-year intervals — a pattern that ...

Before Pangea, Earth may have been dominated by a supercontinent called Pannotia. Once considered a key piece in the puzzle ...

Devil’s Den State Park in West Fork, Arkansas delivers that sensation with such regularity that you might want to check if ...

The United States has a habit of showcasing its geology. Long before cities and highways showed up, forces beneath the ...

REEs such as niobium, tantalum and ytterbium have been discovered in igneous rock layers – similar to the discovery (and ...

These include critical raw materials – resources such as lithium and rare earth elements (REEs) that are essential for green ...

In 1946, following World War II, during which the U.S. took over the defense of Greenland, President Harry Truman offered ...

An international research team reports the analysis of new hominin fossils from the site of Thomas Quarry I (Casablanca, ...

Tenontosaurus fossils found in West Texas, the southernmost record of the dinosaur and a key to the Early Cretaceous.

More than six centuries later, scientists say that the skeletons hold vital clues about the history of tsunamis.

Millions of people around the world know of the Grand Canyon and many Arizonans have visited it — but few comprehend the incredible complexity and age of the rocks that form this vast gash in the ...

Division of Geological Survey rang in the new year with the official launch of a refreshed version of the Ohio Geology ...