A remarkably preserved 150-million-year-old shark fossil is forcing researchers to reconsider how modern sharks evolved. The species, Bavariscyllium, displays a mix of features that do not align with ...

Add Yahoo as a preferred source to see more of our stories on Google. © Dmitry Bogdanov / CC BY 3.0 A richly biodiverse ocean during the Late Cretaceous period ...

A strange prehistoric shark that lived during the age of dinosaurs is giving scientists new clues about how modern sharks evolved — and raising fresh questions at the same time. The small shark, known ...

Off the coast of Australia, scientists have discovered something extraordinary — hybrid sharks. These unique creatures are the result of two different shark species interbreeding, creating offspring ...

A newly examined prehistoric shark from the age of dinosaurs provides surprising insights into the early evolution of modern sharks. It cannot be confidently assigned to any shark order that exists ...

Most shark fossils are just teeth—their cartilage skeletons usually decay long before they can fossilize. But in northwestern Arkansas, a series of geological sites known as the Fayetteville Shale has ...

Fossilized remains of acolossal shark discovered in northern Australia have upended scientists’ understanding of when oceanic giants first emerged. Measuring up to 8 meters in length, this Early ...

Despite multiple mass extinctions, the frilled shark has managed to thrive for 100 million years. Today, it remains one of evolution’s most haunting survivors. Long before forests reshaped Earth’s ...

It's Shark Week, and Mammoth Cave took the unofficial holiday to announce the discovery of another new shark species. Mammoth Cave announced the discovery of the "Macadens olsoni" Thursday. The fossil ...