Across the United States, a semi-aquatic rodent that can weigh as much as 20 pounds is chewing through wetlands, farms, and flood defenses, turning a long-simmering ecological problem into a ...

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 ...

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.

Researchers discovered a new species of rodent with large orange teeth in Argentina. Photo from Juan Pablo Mascanfroni, UnSplash Researchers discovered a previously unknown species of rodent that ...