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 ...

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

Nutria damage crops, wetlands, and flood infrastructure in many states, but California says it still has a small window to stop the rodent invasion.

GAINESVILLE, Fla. --- Two fossil teeth from a distant relative of North American gophers have scientists rethinking how some mammals reached the Caribbean Islands. The teeth, excavated in northwest ...

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 ...

In a Caribbean cave where owls once spat out the bones of their prey, scientists have uncovered a nesting strategy that ...

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 ...

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 ...

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 ...