As previously reported, a 7-year-old two-toed sloth named Nutella gave birth to a new baby on Aug. 9. The baby's father is a 31-year-old male two-toed sloth named Cocoa.

The survival of sloths is under threat due to climate change, according to a new study. The famously slow-moving — and adorable — creatures of Central and South America could die out if ...

She is not just your garden-variety serial-killing sloth. In addition to being able to tear people apart with her claws and teeth, she can use a computer, a cellphone and, in an inspired bit of ...

Sloths may be cute from afar, but they “have extremely powerful jaws” and “can break bones with their teeth,” explained zoologist and Sloth Institute director Sam Trull.

Teeth That Never Stop Growing Credit: flickr Unlike other mammals, these animals don’t have baby teeth or molars. Instead, their ever-growing peg-like teeth are constantly worn down by chewing ...

The giant sloth didn't have enamel on its teeth like humans and even other giant extinct mammals such as mammoths. Scientists usually use enamel as a way to study a creature's diet.

The ground sloth was “a large, heavily built animal ” with “a large skull with blunt snout, massive jaw, well-developed chewing muscles, and large, blunt, peg-like teeth,” according to the ...

Sloth bears are the world's deadliest bear. As their habitat shrinks, India's forest communities are finding ways to co-exist ...

Two fingered sloths have really sharp teeth, and they're extremely strong. So, to ensure everyone's safety, we use a vet to anesthetize them up in the tree before handling them ourselves.

Because all existing sloths are vegetarians and because Megatherium lacked the sharp killing teeth typical of carnivores, paleontologists have assumed that it, too, was an herbivore. Richard Fariña, a ...