Whether you’ve just discovered droppings, gnaw marks on your furniture, or, worst of all, a live animal, you know there’s a rodent in your home. But is it a rat or a mouse? Telling the two species ...

As it scurries past you, just missing your foot by centimeters, you probably aren't worried about the kind of rodent you just encountered. Instead, you're probably more concerned about escaping the ...

Scientists have published nearly the entire genome of the common rat, making it possible to compare it to the genetic maps of people and mice. That ability is expected to yield clues into evolution ...