A tiny sharp-toothed rodent that roamed the earth 220 million years ago has emerged as a missing ancestor of today's mammals. The rat-like creature — called a cynodont after its huge canine teeth — ...

Blind and mostly hairless, with front teeth that put beavers to shame, the naked mole-rat is one of the most unusual-looking rodents you could ever see. However, you probably won’t see one, since they ...

Naked mole-rats are blind and hairless and live their entire lives underground. They have two large sets of front teeth, and can move their lower set of teeth independently of each other. Each ...