Talk about a rodent of unusual size. The biggest rodent to ever stalk the Earth lived about 3 million years ago in what is now South America — and it used its large front teeth the way today's ...

The idea of a giant rodent is scary enough, but a giant rodent that uses buckteeth like a battering ram? That's downright terrifying. According to a study published last week in the Journal of Anatomy ...

If you think you have a rodent problem in your house, just be glad it’s not this one. Scientists have discovered that the largest-known rodent to have ever roamed Earth had ferocious front teeth ...

Chattering squirrels, charming coypus, and tail-slapping beavers — along with some other rodents — have orange-brown front teeth. Researchers have published high-resolution images of rodent incisors ...

If the searchers found hoofed mammal and rodent fossils present in the same rock layer – meaning that they lived at the same time – Croft's knowledge of mammal evolution should help the team pin down ...

All currently existing rodent species have ever-growing front teeth, with crowns that are continually replenished as they are ground down by gnawing, but only some species have continuously growing ...

Scientists have discovered an extinct rodent species, based on fossil tooth remains found in Alborache, Valencia. Eomyops noeliae, from the Eomyidae family, represents the oldest find within this ...

The largest rodent that ever lived -- the size of a buffalo and weighing more than 2,000 pounds -- might have used its tusk-like front teeth for fighting, researchers suggest. The giant relative of ...

Capybaras, here in Colombia, are the world’s largest rodents today. But even they would have been dwarfed by Josephoartigasia monesi. Photo by: Rhett A. Butler. But how did this mega-rodent behave?