An ultra-rare super rodent that could grow to the size of a baby and crack coconuts with its teeth has been captured on camera for the first time. The Vangunu giant rat, or Uromys vika is one of ...

These tooth models show the relative size comparison of a human tooth versus a rat tooth -- to give an idea of the technical challenges involved with performing dentistry on such a small scale.

The best known is probably the naked mole rat, whose hairless, tubular, wrinkled body makes it appear a bit like a tiny walrus—or perhaps a bratwurst with teeth. Naked mole rats are rodents ...

lives among the trees and survives on nuts that it cracks open with its teeth. The Solomons are already home to eight other species of rat, but this is the first new discovery in 80 years.