Australia is home to many extraordinary creatures, from Antarctic emperor penguins washing ashore to thelargest great white ...

Last year, African giant pouched rats like Carolina prevented nearly 400,000 new cases of a deadly disease. It's possible because of their extreme sense of smell. Carolina, an African giant ...

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 ...