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

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

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

It’s not considered polite to talk about it, but we all do it. Some of us are in and out so quickly that nobody would even ...

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 ...

Sloths are some pretty interesting animals. Beyond their reputation for being slow, a host of different traits reveals a lot ...

A sloth scientist, her tree-climbing BFF, and their dog work to save Costa Rica’s sloth populations. A sloth scientist, her tree-climbing BFF, and their dog work to save Costa Rica’s sloth populations ...

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

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 ...