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 ...

Photo via Toucan Rescue Ranch. Sloths are some of the most interesting animals to have ever graced the earth, and yet they remain quite the unknowable little critters. The group that contains sloths, ...

Wrong. Sloth bears have a nasty habit of going on an explosive attack if they’re startled and using their sharp claws to rake down the front of their victims, ripping off their faces and gouging out ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO (FOX 5/KUSI) — The San Diego Zoo ...