In the sixth century, Pope Gregory I compiled an infamous list of seven deadly sins. Of these seven, sloth is the only sin named for an animal in English. But are these curious animals truly paragons ...

They’re slow, they're sedentary and they like to sleep. Sloths are widely known as the world’s laziest animal but are they getting a bad rap? NBC’s Stephanie Gosk gets up close and personal with ...

Here are five animals that have turned inactivity into an evolutionary flex.

This article is brought to you by Audubon Nature Institute. Thanks to characters in animated movies like “Zootopia” and the “Ice Age” franchise, most people think of sloths as slow, docile animals ...