Sloths appear to have life figured out, and once the details are revealed, being envious makes sense. These tree-dwelling mammals have survived for millions of years by doing things their own way, and ...

And because sloths have among the slowest metabolisms ever recorded in animals, the climb down the tree and back up ...

Sloths make modern life look exhausting. While the rest of the world rushes around, these tree-dwellers adhere to a simple routine that has been effective for millions of years. Behind their sleepy ...

Sloths spend most of their lives avoiding the forest floor. They sleep in trees, feed in trees, mate in trees, and move with ...

The Academy of Natural Sciences will bring a bit of the rainforest to snowy Philadelphia next month with an enormous new exhibit featuring live plants and animals. "Under the Canopy" will take up ...

ST. LOUIS, Mo. (First Alert 4) - Pancakes was surprisingly awake, hungry and happy when the cameras showed up on Tuesday to tour her new home. She likes to nap, her friends say, sometimes over 20 ...