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 ...

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 ...

Learn how Indigenous knowledge and modern science reveal the rare cookiecutter shark, which hunts on moonless nights.

In the deep ocean, far from sunlight, a small shark has been quietly carving perfect circles of flesh out of animals many ...

A detailed investigation into these strange creatures is finally giving scientists and fishermen valuable clues about when ...