Today, sloths are slow-moving, tree-dwelling creatures that live in Central and South America and can grow up to 2.5 feet long. Thousands of years ago, however, some sloths walked along the ground, ...

After leaving his car windows open overnight, the man documented his adorable sloth encounter in a now-viral video Brenton Blanchet is an Associate Editor on PEOPLE's TV team. He has been working at ...

Stone Zoo in Stoneham, Massachusetts, is welcoming the facility’s newest – if not the slowest – member of the animal community. The Linne’s two-toed sloth pup, whose gender is not yet known, was born ...

The sloth family tree once sported a dizzying array of branches, body sizes and lifestyles, from small and limber tree climbers to lumbering bear-sized landlubbers. Why sloth body size was once so ...

Imagine a sloth. You probably picture a medium-sized, tree-dwelling creature hanging from a branch. Today's sloths—commonly featured on children's backpacks, stationery and lunch boxes—are slow-moving ...

A sloth in its natural habitat in Costa Rica, where sloth populations have decreased in the past decade, according to Rebecca Cliffe, lead author of the research. Bernd Dittrich via Unsplash In the ...

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 ...

Videos in India show that sloth bears seem unaware of being stalked by the ferocious felines. When the tigers try to strike, the bears often get the better of them. By Andrew Chapman In North America, ...

Sloths have a reputation for being sluggish and slow, spending most of their lives dozing in trees, but a new study suggests this is one of the enduring secrets of their success. Scientists have ...

Defecating exposes sloths to predators on the jungle floor. An unexpected ally benefits, and returns the favor. A brown-throated three-toed sloth peers over a tree's buttress root while defecating on ...