Ancient underwater volcanic eruptions may have made modern day sharks more fierce then their predecessors, a new study has ...

Researchers are now one step closer on the mysterious path of examining one of the ocean's fiercest predators. What is believed to be the world's first-ever footage of a newborn great white shark ...

Evidence suggests Cretoxyrhina fed on mosasaurs, plesiosaurs, and even the giant bony fish Xiphactinus, a fierce predator itself. Sharks are made of cartilage, which does not fossilize well.