If current extinction trends continue, global shark populations will lose much of their variety, thereby threatening ecosystems where specialized species serve vital roles, researchers have found.

Sharks are usually seen as one type of animal that hunts the oceans, but in fact, there are a lot of them. Some of them even have features so strange that they almost look like beings from another ...

A newly examined prehistoric shark from the age of dinosaurs provides surprising insights into the early evolution of modern sharks. It cannot be confidently assigned to any shark order that exists ...