The National Zoo has welcomed two newborn sloth bear cubs. The cubs are healthy and will remain off exhibit until spring 2026 ...

Two sloth bear cubs were born at the Smithsonian’s National Zoo and Conservation Biology Institute (NZCBI) on December ...

For the first time since 2014, keepers at the Smithsonian’s National Zoo and Conservation Biology Institute (NZCBI) have ...

Although it sounds like a grade-B science fiction movie, fossils show that our ancestors once hunted and fought giant ground sloths. For the first time, scientists have uncovered fossilized footprints ...

This uplifting post from discover.animal shows some good Samaritans helping a lucky sloth make its way across traffic and into the forest. Sloths are typically docile and are rarely a danger to people ...

This heartwarming clip shows a newborn sloth clinging to its mom, offering a glimpse into sloth parenting and conservation success.

For a listing and recovery biologist, it was just a regular day. United States Fish and Wildlife Service's Luke Pearson was recently doing field research in Northeast Mississippi on a species of ...

Ancient sloths lived in trees, on mountains, in deserts, boreal forests and open savannahs. These differences in habitat are primarily what drove the wide difference in size between sloth species. But ...

Sloth bears are an omnivorous species of bears, native to the Indian subcontinent. They can be recognized by their shaggy ...