A newly identified species of ancient whale reveals how the first baleen relatives hunted, sensed their world, and grew.

Found on the southern coast of Australia, the species could fill gaps in scientists' understanding of baleen whale evolution ...

Named for its razor-like teeth, Novaculadon mirabilis came from a rodent-like order that outlived the dinosaur extinction ...

Today, saber-toothed animals include the walrus, musk deer and warthog, all of which grow incredibly long and sharp canines, the hallmark of a saber tooth. (Elephant tusks are long incisor teeth ...