Fans of the movie franchise Zootopia know that sloths make the perfect DMV (Department of Mammal Vehicles) workers.

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

Sloth selfie bans are spreading because cute photos hide stress, disease risk, and illegal wildlife trade most tourists never see.

Quick Take With sloths, the females are the ones responsible for mating calls. Three-toed sloth mating calls are often ...

Athena suffered from early-onset chronic kidney disease, which made it hard for her to keep weight on, zoo officials said (Facebook/Smithsonian’s National Zoo and Conservation Biology Institute) The 7 ...

The Academy of Natural Sciences will bring a bit of the rainforest to snowy Philadelphia next month with an enormous new exhibit featuring live plants and animals. "Under the Canopy" will take up ...

A sloth scientist, her tree-climbing BFF, and their dog work to save Costa Rica’s sloth populations in groundbreaking ways, all while capturing rarely seen wild sloth behaviors and reimagining what it ...

Ears are a pretty essential part of our bodies as they help with hearing and balance. While we’re aware of what common ...

Coffee shop customers watched in disbelief as federal officials uncovered two sloths and a koala inside of a minivan outside ...