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

Two sloth bear cubs born at the San Diego Zoo in late 2024 made their first public appearance on Thursday. The zoo shared a clip of the cubs emerging from their private den with their mother Shala.

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

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, ...

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

A young two-toed sloth makes her debut at Shedd Aquarium, inspiring visitors to connect with wildlife and rainforest conservation. Shedd Aquarium is home to a sloth once again after more than 20 years ...

Hamerton Zoo Park says the newborn is starting to take "a few swings away from mum and dad".

Researchers in Costa Rica have unearthed fossils from a mastodon and a giant sloth that lived as many as 40,000 years ago, ...

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 ...