Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact periods in history when it happened are less well known. Was it a single ...

Scientists have discovered mummified skin that is older than the dinosaurs. The skin, which they say likely belonged to a reptile, is estimated to come from the Paleozoic era, between 541 million to ...

Researchers believe they’ve found the oldest known fossilized skin, hidden away in a limestone cave system in Oklahoma. The skin sample dates to the early Permian Period, between 289 million years ago ...