Imagine a world where massive, shaggy giants wandered ancient forests, their claws tearing at trees and their bulk reshaping ...

"Consider the characteristics and potential dangers of the extinct marine reptile, Styxosaurus, if it were still alive." ...

One furry creature is at the heart of sloth conservation in Costa Rica: Keysha. Sloths are notoriously hard to see and therefore can be hard to help. But one furry creature is at the heart of ...

Sloths eat a primarily vegetarian diet of leaves and shoots and spend around 15 hours a day sleeping, according to the zoo. The new baby can be seen in the zoo’s Windows to the Wild habitat.