On Wednesday, the Santa Cruz Museum of Natural History announced that it's now in possession of a prehistoric left arm bone belonging to a Jefferson’s ground sloth (Megalonyx jeffersonii ...

In prehistoric North America, the short-faced bear (Arctodus simus ... but to a massive, cumbersome sloth (Megalonyx jeffersonii). Not cute and endearing like present-day sloths in South America ...

Bowie, a sloth bear cub, will debut this weekend at Woodland Park Zoo, joining mom Kushali in their outdoor habitat, weather ...

The poll began on March 25, when the voters were able to choose between three names that were selected by wildlife care staff ...