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 ...

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.

Until recently, it was assumed that sloths didn’t need to drink water, and that they got water from the food they ate. Now we know that isn’t true, and you can see it for yourself in this extremely ...

Wrong. Sloth bears have a nasty habit of going on an explosive attack if they’re startled and using their sharp claws to rake down the front of their victims, ripping off their faces and gouging out ...

These baby sloths are just having a ball in a basket. Two-toed orphaned sloth babies Pierre and Crayito are residents of Jaguar Rescue Center in Costa Rica. According to YouTube user Swiatoczamigoski, ...

Pleistocene ground sloths constitute a remarkable and diverse group of xenarthran mammals that thrived across South America during a period of significant climatic and environmental flux. Their fossil ...

A sloth perches languidly on a branch in one of Costa Rica’s vast forest preserves. (Gabriella Chavez/WUFT News) LA FORTUNA, COSTA RICA — Near a lively stretch of Highway 142, one of Costa Rica’s ...

When you begin to think of the cutest animals in nature, a sloth may not immediately come to mind, but that’s probably because you’ve never seen a baby sloth. One look at the baby sloth in this ...

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, ...

A Manatee County utilities crew was digging a trench recently when it unearthed something unexpected: a fossilized giant ground sloth claw that had been buried in more than 11,000 years ago. According ...