Every day, scientists uncover startling new information that reshapes our understanding of the ancient world. The latest groundbreaking discovery concerns a bird from the late Cretaceous period with a ...

For paleontologists who study animals that lived long ago, fossilized remains tell only part of the story of an animal’s life. While a well-preserved skeleton can provide hints at what an ancient ...

The neotype skulls for Bigg's killer whale, Orcinus rectipinnus (left), and the resident killer whale, Orcinus ater (right). The Bigg's killer whale skull is more robust and has a wider rostrum (beak) ...