Rats seem to emit ultrasonic squeaks of happiness just because they are in the company of another rat. Using newly developed miniature microphones that were placed on rats’ noses, scientists have been ...

An estimated three million rats live in the city, which is a little over one-third of the human population. A new study found rats alter their vocalizations depending on the environment and level of ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Rats can be taught to play hide and seek — ...

When two nearly blind naked mole rats encounter each other in a dark subterranean tunnel, it could be a friendly meeting or a moment of potential bloodshed between strangers. The creatures chirp to ...

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 ...