A new study found that primeval rodents, which were estimated to be the size of bison, were closer to modern-day ponies. By Jack Tamisiea Modern rodents range in size from pygmy mice weighing less ...

Researchers at the University of Michigan have discovered that the constant gnawing of rodents isn't just a reflex or a consequence of a tough diet. It also triggers a release of dopamine in the brain ...

"Rodents are at the forefront of biological research," says Jessica Zhou, a student researcher at Harvard University, and the paper's co-author. "Rodents, especially rats and mice, are the unsung ...

Turns out these giant rat relatives do give a crap about your fancy-shmancy suburban enclave. Capybaras have invaded an affluent gated community — chewing up flower beds, bullying beloved pets and ...