Staff at the Jaguar Rescue Center in Costa Rica, found a baby sloth that got separated from its mother. They reunited the two animals after they lured the mother with a recording.

The San Diego Zoo is celebrating the births of two cubs to one of its sloth bears last month.

Sloths, the world's slowest mammal, have been around for 64 million years. Sharyn Alfonsi traveled to Costa Rica to learn more about how they've survived.

The survival of sloths is under threat due to climate change, according to a new study. The famously slow-moving — and adorable — creatures of Central and South America could die out if ...

The sloth apparently had hours to escape. A thrill-seeking child got a closer wildlife encounter than perhaps intended after crashing into a sloth while zip-lining in Costa Rica, as seen in this ...

The US Fish and Wildlife Service (USFWS) has proposed listing the pygmy three-toed sloth under the Endangered Species Act in response to a 2013 emergency petition filed by the Animal Welfare Institute ...