When you're a dog with narcolepsy, you have to take things a little slower than the average canine does. It's tough going at 100% all of the time when you could suddenly pass out at any moment, and ...

Sloths appear to have life figured out, and once the details are revealed, being envious makes sense. These tree-dwelling ...

Sloths, the famously slow-moving yet adorable creatures native to Central and South America, could face extinction by the end of the century due to climate change. Researchers investigating how sloths ...