An Ice Age giant was tumbling around North America during the Late Pleistocene. About the size of a bear, it was actually a ...

Sloths weren’t always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to 4 tons — and when startled, they brandished immense claws. For a long time, scientists believed ...

Gaylene Thomas, a wildlife care manager at the San Diego Zoo, oversees two teams that care for a variety of species, ...

Imagine a sloth. You probably picture a medium-sized, tree-dwelling creature hanging from a branch. Today's sloths—commonly ...

What do you get when you cross a sloth with a bear? Well, that one's easy: you get a sloth bear, which, while not actually related to true sloths in any way, does share more than a passing resemblance ...

Vasi the sloth bear is using his new limb to dig, climb and play at Bannerghatta Bear Rescue Centre in India Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013. Her ...