The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in "Jurassic Park." But new research suggests that this classic image might be wrong. The teeth on T. rex ...

The urchins have self-honing teeth that can chomp through rock to carve out hideaways along the shore. Analysing their teeth, US scientists have found layered calcite crystals held together by ...

A fossil pulled from Victoria’s Surf Coast has revealed a very different kind of whale, one built for speed, sight, and killing power. Measuring just over two metres, Janjucetus dullardi had large ...

It was already known that Komodo dragon teeth are similar to those of many carnivorous dinosaurs, in that they're laterally flat, curved back, and serrated along the edges. An international team of ...

Scientists have discovered that the serrated edges of Komodo dragons’ teeth are tipped with iron. Led by researchers from King’s College London, the study gives new insight into how Komodo dragons ...

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 ...