The largest sloth of all time was the size of an elephant. Known to paleontologists as Eremotherium, the shaggy giant shuffled across the woodlands of the ancient Americas between 60,000 and five ...

Sloths are among the most beloved of jungle animals. The famously sluggish and furry tree-dwellers are found throughout Central and South America, giving off the vibe of relaxed lifestyle. Yet a ...

Long before today’s tree-dwelling sloths, a 4-ton giant roamed South America — and it may have stood and fought like a bear.

A potentially deadly virus commonly known as "sloth fever" is sparking new pleas for caution across the United States after Florida reported nine new cases in a week related to international travel — ...

Among the greatest mysteries of the tropical rainforest are the pooping habits of sloths. Really. Those furry, slow-moving tree dwellers almost never descend from the safety of the tree tops—except ...