After surviving many different geological periods, one animal seemingly ceased to exist before the mass extinction of the Permian Period occurred.

Paleontologists have unearthed and examined a fossilized leg bone of a phorusrhacid bird that lived 12 million years ago in South America. Terror birds are members of ...

While they’d come in search of dinosaurs, their excavations turned up hundreds of adult specimens of Notobatrachus, a bullfrog-size relative of the modern frog that had lived in Jurassic Period ...

Parry says scientists are not done prospecting for fossils at the site. “The trilobites from this site are extremely famous but other fossils with soft parts are much rarer from this site,” Parry says ...

“We are talking about the limits of life size on Earth,” said Luís Felipe Toledo, a herpetologist at the University of Campinas in Brazil. He and colleagues described the frog in a study ...

The Lomankus fossil was found at the famous Beecher’s Trilobite Bed fossil site in central New York State. This layer of rock contains multiple well-preserved trilobites and other organisms.