Conventional wisdom has it that sloths are simple, lazy creatures that do very little other than sleep all day. Even the very name “sloth” in most languages translates to some version of “lazy.” It ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers say sloths aren't lazy, they're just "energy efficient." (Photo illustration: Yahoo News; photo: Getty Images) Magill ...

Unless you live in the tropical rainforests of South or Central America, most of the sloths you’ll encounter will be two-toed sloths. This is because they are able to eat quite a varied diet and are ...

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

Today is International Sloth Day, a moment for the world to stop and appreciate the exquisitely strange gift that is the sloth. Below are some of the things you need to know to truly appreciate ...