Long before modern sloths became slow-moving tree dwellers, their ancestors were enormous ground beasts. These ancient sloths stood as tall as elephants and weighed several tons. Fossil evidence shows ...

The northern and southern maned sloths may look very similar from the outside, but their genomes reveal different stories: The two species have faced very distinct conditions in Brazil's Atlantic ...

For years scientists assumed that sloths don't fart — believing the methane produced by their slow digestive system was simply absorbed into their bloodstreams and breathed out through their mouths.

A baby sloth named Honey, who lives at Beavers Bend Safari Park in Hochatown, Oklahoma, is stealing hearts left and right and breaking the internet, and once you see this adorable video, you’ll ...

The Erie Zoo welcomed a Linneaus’s two-toed sloth named Coconut from the St. Louis Aquarium. Zoo officials believe the Erie Zoo environment will be better suited for Coconut. Coconut arrived earlier ...

Getting your Trinity Audio player ready... Denverites willing to brave the heat and visit the Denver Zoo Conservation Alliance this summer may be able to sneak a peek at a new baby sloth snoozing and ...