Brown rats are generally larger and more aggressive than black rats. In many parts of the world, they displace black rats. At archaeological sites around the world, a certain subset of remains is ...

Brown rats are the undisputed winners of the real rat race. New research suggests that they crawled off ships arriving in North America earlier than previously thought and out-competed rodent rivals – ...

There’s a saying that in a big city you are never more than six feet away from a rat. It’s an urban myth, but scientists are warning cities across the globe are becoming far rattier, and the boom is ...

Rats are nature’s mobsters and serial killers with phenomenal disease-carrying pandemic abilities; they are feared and for good reasons. Rats, like people, have conquered all habitable continents.

This is an archived article and the information in the article may be outdated.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. Brown rats are the undisputed winners of the ...