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 South America’s wetlands and riverbanks, one animal seems to move with unusual ease through landscapes that many species ...

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 ...

Crocodiles and capybaras look like a viral meme come to life: a prehistoric predator lounging calmly while a giant rodent ...

Researchers discovered a previously unknown species of rodent that lives along the foothills of the Andes in Argentina. Distinguished by its long claws and brightly-colored teeth, the species was ...

The world’s largest rodent is multiplying in — and dividing — one of Argentina’s most exclusive gated communities. Argentina dispatch The world’s largest rodent is multiplying in — and dividing — one ...

Capybaras are some of nature’s most interesting animals, known for their sweet personalities and unique social bonds. Florida’s Clearwater Marine Aquarium knows just how beloved these large rodents ...

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 ...

Nano-sized pockets of iron material in rodents’ incisors (coypu on the left and beaver on the right) strengthen and protect the teeth. Chattering squirrels, charming coypus, and tail-slapping beavers ...