While humans only have 2 sets of teeth in a lifetime, some members of the animal kingdom have a rare tooth-regenerating ability. Certain species can replace broken or lost teeth multiple times ...

Whether you’re talking about sharks, crocodiles, lions, or even velociraptors, some of the most fearsome traits of these predators involve their rows of sharp, crushing, or jagged teeth. Only ...

You probably don’t think much about teeth until a dentist brings them up. But across the animal kingdom, tooth counts can get wild fast. Some sharks go through thousands in a lifetime. Slugs carry ...

Losing your baby teeth is a strange experience. The teeth gradually loosen until they're replaced by thicker, more durable and permanent ones. But humans aren't the only animals capable of shedding ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A prehistoric jet black river creature with shark-like teeth has been ...

An extinct primitive marine vertebrate had the sharpest dental structures ever known -- with tips just one-twentieth of the width of a human hair, but able to apply pressures that could compete easily ...

Scientists have discovered a "deceptively cute" ancient whale with large eyes and razor-sharp teeth that devoured prey off Australia around 26 million years ago. Researchers identified this new ...

The animal kingdom is no stranger to astonishing abilities, including the remarkable power to regenerate lost or damaged body parts. Among these traits, the ability to regrow teeth stands out as both ...