Rats swarm around a bag of garbage near a dumpster July 7, 2000, in New York on July 7, 2000. A study published Wednesday suggests that brown rats crawled off ships arriving in the Americas earlier ...

Have you noticed rats in your home or garden? You might be wondering where rats live and what their habitats look like. Rats make nests and keep their offspring there when they are first born but ...

This is an archived article and the information in the article may be outdated.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 ...

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 – ...