Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Fossils of tiny, jawless marine animals reveal tooth structures sharper than sharks or steel, forcing scientists to rethink ...

Back in 2021, we heard about a pterosaur that had a mouth full of big, sharp teeth. Well, scientists have now discovered a pterosaur that went to the other extreme, as it used over 400 small, hooked ...

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, ...