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 South ...

A drowsy sloth fell asleep as he ate his breakfast at Texas’s San Antonio Zoo on February 6. The sleepy two-fingered sloth, named Sol, can be seen tucked into a corner of his habitat sleeping soundly ...

There's no denying it—sloths are simply one of the most adorable animals on the planet. But they're more than just lovable bundles of slow-moving fur. In fact, sneaking around in that fur are ...