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

Tiny sharks have long been blamed for the eerily perfect circles carved into the skin of whales, dolphins and even submarines ...

Based on its whimsical name, it’s easy to assume that the cookiecutter shark is cute and gentle. However, nothing could be further from the truth. In fact, the name “cookiecutter” doesn’t refer to the ...

Bite force, a measure of the strength of an animal's bite, helps researchers understand a species' role in the ecosystem.