Take a peek at the world's slowest mammal, so sedentary that algae grows on its furry coat. Read on to learn about life in ...

The sloth, named Fezzik after a character in The Princess Bride, is 10 years old and arrived from Milwaukee County Zoo.

Now extinct, the giant sloth would have been a fierce foe for our ancestors, with its tight muscles and front legs tipped with wolverine-like claws.

Three-Toed Sloths with Three-Inch Claws The sloth in the video above appears to be an adult pale-throated three-toed sloth, or Bradypus tridactylus. Their native habitat is the canopies of ...

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

The Bishop Museum of Science and Nature joined us in the studio to talk about the discovery of a Jefferson Ground Sloth claw ...

Researchers in Mississippi recently stumbled across fossilized bones of a giant ground sloth that could be more than 100,000 years old.

And early last month, a Manatee County Utilities ground crew found evidence of the area’s giant sloths when they uncovered a fossilized claw from a subspecies of Megatherium in a newly dug trench.

Human footprint inside a sloth track. This composite track is part of a trackway in which the human appears to have stalked the sloth.  (Photo: Matthew Bennett, Bournemouth University) Now ...

Now extinct, the giant sloth would have been a fierce foe for our ancestors, with its tight muscles and front legs tipped with wolverine-like claws.

Now extinct, the giant sloth would have been a fierce foe for our ancestors, with its tight muscles and front legs tipped with wolverine-like claws.