Learn how newly discovered vertebrae from a 6- to 8-meter shark pushes the origin of mega-predators back by 15 million years. The ancient seafloor around what is now Darwin, Australia, once teemed ...

A newly described fossil from northern Australia reveals an 8 meter mega-shark that hunted in the age of dinosaurs, long before the famous Megalodon ever evolved. By pushing the origin of giant ...

Long before a single tree cast a shadow on land, sharks were already cruising the world’s oceans as established predators. Fossil evidence puts the earliest shark-like scales at roughly 450 million ...