African giant pouched rats like Carolina prevented nearly 400,000 new cases of a deadly disease. It's possible because of ...

The skull of a black rat (right) compared with a fairly complete skull of one of Timor's other extinct giant rats (left). The giant rat shown here isn't the biggest of the extinct rats ...

Researchers trained African giant pouched rats to detect illegally trafficked wildlife species and remember targets for several months. Image APOPO Disclaimer: AAAS and EurekAlert! are not ...

But what a snail it is. The giant African land snail "can grow as big as a rat and gnaw through stucco and plaster," says Reuters' Barbara Liston. Since the monstrous mollusks were first noticed ...