Paleontologists have examined teeth of Teleoceras major — an extinct species of rhinocerotid that lived in North America from 17.5 to 5 million years...
Ekgmowechashala is a poorly documented but very distinctive species of ancient primate that lived in western North America during the Early Oligocene epoch,...
Deep, ancient soils, dating to between 15,000 and 13,500 years old, contain significant amounts of carbon and could contribute to climate change as the...
