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 ...

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

It’s no secret that human impacts on our planet are having widely detrimental impacts, on everything from our atmosphere to our jungles, our land to our sea, with countless species that once walked ...

Shark teeth could lose their cutting edge as oceans become more acidic, new research warns. Scientists in Germany say rising carbon dioxide levels may erode the very weapons that predators rely on for ...

Shark teeth — evolution’s finely tuned cutting tools — show early signs of weakening as seawater pH levels shift. A German-led experiment found that teeth from blacktip reef sharks immersed in water ...

Sharks' teeth—some of nature's sharpest and most formidable weapons—may not withstand the effects of future ocean acidification, new research suggests. Scientists at the Heinrich Heine University ...

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 ...