Sharks are known for their razor-sharp teeth, but a new study warns that rising ocean acidity could leave even the sea’s fiercest predators with weaker, more brittle bites. At the heart of the problem ...

New research shows that losing threatened requiem shark species could erase millions of years of tooth evolution and squeeze ...

A team of paleontologists identified a new species of extinct shark from Morocco’s phosphate mines. It is called Pseudocorax heteroserratus.

Shark feeding habits are helping scientists identify marks on human bones found in the ocean. By analyzing shark scavenging behavior, the University of Florida's C.A. Pound Human Identification ...