Shark teeth from museum jaws can now reveal what sharks ate decades ago. New research shows preservation chemicals don’t ...

Comparing the prehistoric predator to today’s great white probably resulted in an underestimation.

Teeth from sharks and rays can be used to study their diet, but one of the biggest challenges in shark science is collecting ...

MEGALODON may have grown to a staggering 80 feet in length – and weighted 94 tons. The staggering size of the prehistoric killing machine has been revealed in a study that reveals what the ocean ...

New research reignites debate over the size of this extinct giant, also suggesting it looked unlike a great white ...