The fossils at the Mazon Creek site are so abundant and so well-preserved that researchers can reconstruct a detailed ...

Fossils from the Petrified Forest National Park, in northern Arizona, revealed the discovery of a new reptile species that ...

Exceptionally preserved Cambrian fossils uncovered in the Grand Canyon show how evolution accelerated in resource-rich waters ...

Scientists have discovered an entirely new species in northern Arizona, but it has been extinct for more than 220 million ...

Five tree fossils that resemble each other were found in New Brunswick, Canada, and showed certain similarities to the ...

A fossil unearthed during the Civil War was mislabeled for over a century, and is now said to be something completely ...