A 400,000-year-old giant sloth femur was discovered in Argentina, preserving rare muscle marks that reveal how these Ice Age ...

Sloths are among the strangest mammals on Earth. They move incredibly slowly, sometimes only a few feet per minute, and can hang from a single limb for long periods of time. Their metabolism is the ...

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

When you picture the jungle, your mind might jump to roaring tigers, monkeys swinging wildly from tree to tree, or bright parrots flitting between branches. But high above, in the dense green canopy, ...

This uplifting post from discover.animal shows some good Samaritans helping a lucky sloth make its way across traffic and into the forest. Sloths are typically docile and are rarely a danger to people ...

Add Yahoo as a preferred source to see more of our stories on Google. Athena suffered from early-onset chronic kidney disease, which made it hard for her to keep weight on, zoo officials said ...

A sloth scientist, her tree-climbing BFF, and their dog work to save Costa Rica’s sloth populations in groundbreaking ways, all while capturing rarely seen wild sloth behaviors and reimagining what it ...

Two female sloths named Chata and Baby Ruth have, slowly, taken up residence at the Jacksonville Zoo and Gardens. Chata is a 29-year-old Hoffman’s two-toed sloth, while Baby Ruth is a 6-year-old ...

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 ...

The Humane Society of the United States has accused Sloth Encounters, located in Islip, of mistreating its animals. The business offers educational experiences, where customers can pay to interact ...