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 ...

Over the last few decades, a new invasive species has moved into the U.S., the Wall Street Journal reported. Populations of nutria are spreading across a growing portion of the U.S. Many states are ...

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 ...

Health officials have shut down a concession stand at Angel Stadium in Anaheim after they reportedly found evidence of a ...