Mice and rats vocalize. To us, many of the sounds they make are ultrasonic—at too high a frequency to hear. But if we slow the calls down, they sound like squeaks. And not all squeaks are the same.

SALEM, Ore. (KOIN) — Have you ever actually seen a rat hole? Kellie Nightingale has. She and her Salem neighbors said they see dozens of rats and rat holes up and down a stream bank which runs between ...

Rats may carry out certain activities just for the fun of it, says new research on the animals' behavior. In a study published in the journal Science researchers found that rats were capable of not ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...