Stingrays, also known as sea rays, are flat-bodied members of the Myliobatiformes order; the same order that contains sharks. Within this order, there are eight distinct families of stingrays, with ...

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 ...

Scientists discovered true teeth growing on the head of the spotted ratfish, a distant shark relative. The toothed structure, called a tenaculum, helps males hold onto females during mating. Genetic ...

In the history of teeth, perhaps no tooth is as famous as the saber tooth. These long, blade-like canines seem almost perfectly optimized to kill prey. They've evolved at least five times in mammals, ...