Sloths have made a name for themselves with one thing. That thing is their speed. Or, rather, their lack thereof. In the trees, everything they do looks like it takes an eternity. Stretching an arm ...

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 food ...

At a glance, koalas and sloths seem oddly alike. Both spend much of their lives in trees, move at an unhurried pace and sleep ...

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 extremely ...