Generally, rats are larger than mice, although specific sizes can vary by species. For instance, brown rats (Norway rats) are relatively large, with bodies measuring between 7 to 10 inches (17.78 ...

One thing is certain: They’re everywhere. NEW YORK CITY Adaptable and smart, rats of several species have evolved to thrive in major cities—yet the sight of a rat scurrying across West ...

A new species of rat, four times larger than regular rodents, has been discovered on the Solomon Islands in the Pacific Ocean. The creature, stretching almost half a metre (19in) in length ...