Ptychodus was one of the largest prehistoric sharks, with some estimates placing its size up to 33 feet in length! Like today’s whale sharks it had a mouth full of teeth that were used to crush ...

“From modern sharks, it is known that larger individuals ... Yet their size hindered their mobility, something that prehistoric whales could have taken advantage of. Baleen whales of that ...

An 18-meter-long, 50-ton behemoth once patrolled even the darkest corners of the world's oceans millions of years ago. The ...

To see if barnacles had the same properties long ago, Taylor hunted down fossils that lived on early humpback whales, and bingo: They did. He hopes to shed light on prehistoric whales’ movements ...

Today's marine trophic levels cap at six, with creatures like killer whales and great white sharks. The discovery of giant marine reptile apex predators occupying a seventh trophic level ...

Vengeful killer whales teaching young to attack boats in Gibraltar Shark attacks ... gigantic body would require a vast amount of energy, prehistoric oceans teemed with prey.

Being so large, it mostly hunted whales, although young sharks are ... Megalodon may be the most well-known prehistoric shark, but it is far from the only one. Sharks have been around for more ...

Different sharks use different strategies to eat. Like many actual whales, the whale shark filter-feeds, straining teeny plankton from up to 400,000 gallons (1.5 million liters) of filtered water ...

Today’s marine trophic levels cap at six, with creatures like killer whales and great white sharks. The discovery of giant marine reptile apex predators occupying a seventh trophic level ...

DNA evidence has confirmed killer whales in Australia hunted a white shark for its liver. Based on DNA analysis from the bite wounds on the carcass of a large white shark washed ashore near ...