New research on the evolutionary relationships between tree sloths and their extinct giant relatives is challenging decades of widely accepted scientific research. A team of international researchers ...

Scientists have solved the evolutionary puzzle of how sloths went from enormous ground-dwelling giants to the small, famously-laidback tree-climbers of the modern day. The study, by an international ...

Sloths are the quintessential couch potatoes of the rainforest, and these sluggish tree-dwellers also serve as a hotel for moths and algae. "Important interspecific interactions — between sloths, ...

Ancient sloths lived in trees, on mountains, in deserts, boreal forests and open savannahs. These differences in habitat are primarily what drove the wide difference in size between sloth species. But ...

Sloths aren’t just adorable, they’re actually pretty impressive, believe it or not. Some of the world’s biggest creatures spend their lives high above the ground, which feels almost impossible when ...

It turns out the sloth, a notoriously slow moving animal, can actually move pretty fast. Particularly when a baby sloth’s life is dangling in the balance — quite literally. A tour group in Costa Rica ...

Sloths are the quintessential couch potatoes of the rainforest, and these sluggish tree-dwellers also serve as a hotel for moths and algae. Three-toed sloths descend from the trees once a week to ...

Sloths are fascinating creatures known for their slow movements and their almost entirely arboreal lifestyle. These sluggish mammals spend the majority of their lives hanging from the branches of ...

Sloths are notoriously slow. Living in rainforests in Central and South America, sloths spend most of their time hanging upside down in the trees, rarely coming down to the ground. There are two main ...

This story was originally published on MyNorthwest.com. The Washington State Department of Transportation (WSDOT) has removed a second giant stuffed sloth from a tree over Interstate 5 (I-5) near ...

The sloth was caught on camera by a GoPro propped in a tree in Nicaragua. — -- A sloth spotted in the wilds of Nicaragua by an American tourist was just trying to take a nap, but first, it had to ...