Sloths, the world's slowest mammals, have evolved over 64 million years into a species that thrives throughout Central America and northern South America, but climate change and human sprawl could be ...

With a single foot, sloths can exert a pound-for-pound grip force far beyond what humans and other primates are known to muster with their hands and feet. Sloths like to clasp onto the sides of your ...

While humans wouldn’t be very happy to find that organisms were growing on their skin, particularly fungi, algae, and insects, it works out pretty well for sloths. Sloths may be hosting entire ...

Conservationists were doing field work in Costa Rica when they heard a “faint cry” coming from the trees. Then they found a three-fingered newborn sloth crying after it had been separated from its ...