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

What has needle-like teeth so large they don’t fit inside its mouth, a huge gaping jaw that completely engulfs its prey, and lives in the ocean zone where sunlight can’t reach? That would be the ...

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

A new study reveals that the sensitivity of teeth, which makes them zing in a dentist's chair or ache after biting into something cold, can be traced back to the exoskeletons of ancient, armored fish.