Behind the shark's smile lies an unsuspected fragility: the increasing acidity of the oceans is eroding the structure of their teeth, eventually cracking, deforming, and causing them to fall out. Here ...

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 ...

WASHINGTON — They are the ocean's most famous apex predator. But something is eating at them - acid. Rising acid levels in the world's seas will dissolve sharks' teeth - that's according to a new ...

Biodiversity loss isn’t just about losing species — it’s about losing the evolutionary traits and ecological roles that make those species unique. A new study on requiem sharks (Carcharhinus) shows ...

As if the ocean’s apex predator wasn’t terrifying enough. Hollywood films like Jaws taught us all to be fearful of the giant ...