While sleep is a crucial component of survival for all living organisms, some animals take the concept of sleep to an extreme level. Ranging from tree-dwelling animals to nocturnal predators, the long ...

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 ...

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 ...

Fans of the movie franchise Zootopia know that sloths make the perfect DMV (Department of Mammal Vehicles) workers.