Sloths have a reputation for being sluggish and slow, spending most of their lives dozing in trees, but a new study suggests this is one of the enduring secrets of their success. Scientists have ...

Brand new to science: a sloth drinking water—captured cinematically for the first time. Until recently, it was assumed that sloths didn't need to drink water, and that they got water from the ...

Here travelers will also find a winding system of canals, upping their chances of seeing sloths in the water too (fun fact: sloths are excellent swimmers), as well as endangered green turtles ...

But as the planet cooled again, sloths began to bulk up. The largest ground sloths emerged during the Ice Ages. Big bodies ...

The moderately sized Shasta ground sloth favored small, natural caves bored by wind and water into the cliffsides of the Grand Canyon, like the alveoli of a gigantic, geologic lung. These also ...

Until recently, it was assumed that sloths didn’t need to drink water, and that they got water from the food they ate. Now we know that isn’t true, and you can see it for yourself in this ...