Ancient sloths lived in trees, on mountains, in deserts, boreal forests and open savannahs. These differences in habitat are primarily what drove the wide difference in size between sloth species.

Rainforest-inspired setting in heart of Central Florida’s tourism district will house dozens of the low-energy animals, ...

They’re slow, they’re sleepy, and they’ve taken over the internet—but sloths are more than just cute animals hanging from trees. These leaf-munching creatures live a strange and fascinating life in ...

Giant sloths with razor-sharp claws and as large as Asian bull elephants once roamed the Earth, snacking on leaves at the tops of trees with a prehensile tongue. Now, scientists have figured out why ...