The fossil was so complete experts could see remains of the last meal it ate, 330 million years after it died.

Researchers have dated vertebrae from a massive prehistoric shark thought to have ruled the waves off northern Australia back to further in the Cretaceous period than was previously known ...

PARIS (Reuters Life!) - A collection of prehistoric remains, including the gaping jaws of a gigantic ancient shark and a brood of dinosaur babies with their mother, go on sale this week in an auction ...

The frilled shark, also called the lizard shark (Chlamydoselachus anguineus), is one of the ocean’s most ancient species. Its appearance and primitive features have barely changed since the Cretaceous ...

During the Cretaceous Period, a genus of sharks roamed the sea with rows of unusual teeth. Mostly large and rounded, these chompers were not meant to slice through their prey, but to grind and crush ...

Megalodons were the biggest sharks on the planet. Recent studies show how these apex predators reached lengths of 50 feet with heads the size of cars.

Scientists say this shark has hardly changed since it first appeared millions of years ago. That’s why they’re so fascinated ...

Shark teeth are often considered the most common vertebrate fossils in the world, and for good reason. Each individual shark has rows upon rows of chompers that fall out and get replaced in conveyor ...