Fossilized remains of acolossal shark discovered in northern Australia have upended scientists’ understanding of when oceanic ...

When and where did sharks first become so massive? The discovery of enormous shark remains from northern Australia has just ...

Fossils reveal that giant predatory sharks existed 15 million years before megalodon and were already top predators in Cretaceous seas.

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.

Cover -- Title Page -- Copyright Page -- Contents -- Acknowledgements -- Photographic credits -- Foreword by Rima Jabado -- Introduction -- How to use this book ...

A large fossil study shows young shark and ray species vanish faster, while older species stay stable over time.

Otodus megalodon was the largest predatory fish in Earth's history. Measuring up to 24 meters, it was longer than a truck with a trailer and weighed almost twice as much. Embedded in its jaws were ...

But why did sharks get so incredibly diverse and odd during this period, only to lose most of that diversity forever? Eons is available to stream on pbs.org and the free PBS App, available on iPhone, ...