Long before today’s tree-dwelling sloths, a 4-ton giant roamed South America — and it may have stood and fought like a bear.

Fans of the slow-moving sloth are in luck if they're planning to visit Orlando, Florida. Sloth World is slated to open in late February 2026.

While humans wouldn’t be very happy to find that organisms were growing on their skin, particularly fungi, algae, and insects, it works out pretty well for sloths. Sloths may be hosting entire ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Officials at the Shedd Aquarium say the Linné’s two-toed sloth named Alface -- pronounced al-FAH-see -- arrived in September.

Sloths always have a slight smile on their lips, making them appear friendly and cute. These incredibly slow tree dwellers ...

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.