But as the planet cooled again, sloths began to bulk up. The largest ground sloths emerged during the Ice Ages. Big bodies ...

Need a break from the capital? Charlotte Lytton heads to Costa Rica in search of lush rainforests and diverse wildlife with a ...

Massive Megatherium sloths once stood as large as Asian elephants, ripping foliage off treetops with prehensile tongues like ...

An adorable baby sloth! San Diego Zoo introduced the world to the zoo's newest family member, a baby sloth named Cashew.

U.S. Navy vet James Nash's final wish to see zoo animals came true at Sprenger Health Rose Lane Nursing & Rehabilitation ...

Sloths have changed quite a bit in the last ten thousand years. The slow-moving, sleepy, leaf-eating creature we see hanging ...