San Francisco is becoming rattier — literally.  According to a new study, San Francisco’s rat population has grown faster ...

Feel like dissing instead of kissing your former lover this Valentine’s Day? Think your ex is more like a rat than a prince?

Often dismissed as pests, rats have long been misunderstood. But the African giant pouched rat (Cricetomys ansorgei), the world’s longest, is challenging that perception. With its intelligence and ...