While jumping genes in humans are associated with cancer, in sloths they may be the key to living life in the slow lane. In ...

Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so big. Most of us are familiar sloths, the ...

He was hard to miss if you were driving to Bellingham. A giant stuffed sloth lived in a tree off Interstate 5 (I-5) near Lake Samish. He is called “Slothy.” The Washington Department of Transportation ...

Ancient sloths lived in trees, on mountains, in deserts, boreal forests and open savannahs. These differences in habitat are primarily what drove the wide difference in size between sloth species.