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 ...

The world's oldest known mammal has been identified using dental records – predating what scientists previously thought was the first mammal to walk the Earth by millions of years – according to new ...

Neoepiblemidae (Caviomorpha) includes South American hystricognath rodents that together with Chinchillidae and Dinomyidae compose the clade Chinchilloidea. Despite the considerable advance in ...

Squirrels, beavers, and other rodents have orange-brown front teeth that may be key to developing oral care products that better protect human tooth enamel and ensure that restorations last longer.

Two fossil teeth from a distant relative of North American gophers have scientists rethinking how some mammals reached the Caribbean Islands. Two fossil teeth from a distant relative of North American ...

A large invasive species that resembles a beaver is damaging ecosystems in over a dozen US states. Nutria, native to South America, were introduced to the US in the late 1800s for their fur. The ...

It’s the stuff of bad dreams. Giant rodents with Cheetos-orange teeth are swarming through the coastal U.S., damaging almond trees, golf courses and even the occasional bridge. The nutria, a ...

Kangaroos are iconic Australian animals who have long been used as a symbol within the country to represent moving forward. All four species are herbivores who roam around grazing on grass and leaves.