From their odd appendages to their unsavory hygiene, certain animals suffer an image problem. But their awkward attributes ...

New research shows 8,000-pound sloths once dug caves, adapted to oceans, and roamed widely—until climate and humans brought their downfall.

Plush toys aren't just for kids. The best weighted stuffed animals combine comforting textures with gentle pressure to help ...

People often marvel at how much—and how little—intelligence is displayed in the animal kingdom. Often the subject of research ...

An adorable baby sloth! San Diego Zoo introduced the world to the zoo's newest family member, a baby sloth named Cashew.

Researchers analyzed fossils and DNA to get a big-picture view of sloth evolution and determine what drove their immense size ...