Where there are humans, there are rats. But new research says we still have a lot to learn about our furry, often reviled, companions. Now, here's a truism you probably don't need to be reminded of.

Rat species are found throughout the order Rodentia. Stereotypical rats are found in the genus Rattus, which includes some of the better-known species of rat, such as the brown rat (Rattus norvegicus) ...

Rats are likely Milwaukeeans least favorite neighbor. It's tricky to know exactly how many rats are scurrying around Milwaukee, said Lorie Gallup, residential code enforcement manager for the ...

NEW YORK − Tourists snapped selfies and office workers guzzled coffees inside Manhattan's Bryant Park. But all around their feet − beneath bushes, over subway grates and between trash cans − were ...

Rat eye boggling: discover how evolutionary dental maintenance (tooth grinding) turned into a social signal for relaxation.

Seven years ago, researchers at Stanford University started an ambitious experiment: They began growing miniature, simplified versions of the human brain from stem cells inside a lab, then later ...

We crafted our first rodent car from a plastic cereal container. After trial and error, my colleagues and I found that rats could learn to drive forward by grasping a small wire that acted like a gas ...

The Black Death first swept through Europe in the mid-1300s, killing tens of millions of people. But it didn’t stop there—the plague-causing bacterium Yersinia pestis hid inside the bodies of black ...

One morning last year, John Gladwin opened the cupboard under his kitchen sink and discovered a bag of soil he'd been storing there was torn to shreds. Days later he noticed a pungent smell too. It ...

(This story was updated because an earlier version included an inaccuracy.) NEW YORK − Tourists snapped selfies and office workers guzzled coffees inside Manhattan's Bryant Park. But all around their ...