And because sloths have among the slowest metabolisms ever recorded in animals, the climb down the tree and back up ...

Many died due to conditions at a Florida warehouse where they'd been shipped, while others arrived from South America dead, authorities say.

CNN — Modern sloths hang out in trees, move at a slow pace and eat a vegetarian diet -- but the same thing can't be said for their extinct relative, Mylodon. This ancient ground sloth, which lived in ...

The Smithsonian's National Zoo is home to three Linnaeus's two-toed sloths and shares some sloth basics, but here are three lesser-known sloth facts. 1. The Smithsonian has a collection of fossilized ...

Modern sloths may be dedicated vegetarians, but at least one of their massive Ice Age cousins chowed down on meat when it had the chance. Darwin’s ground sloth — which could grow to over 3 meters long ...