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 ...

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 ...

World Sloth Day 2025 celebrates one of nature’s most intriguing and misunderstood creatures. Known for their incredibly slow pace, sloths embody a lifestyle that’s calm, patient, and perfectly adapted ...

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 ...

Two groups of sloths are left on Earth now — two- and three-toed sloths — but there are more that have existed in the Americas throughout history. Some are small creatures that lived up in the trees, ...

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 ...

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 ...