At first glance, this mammal looks like a horse gone terribly wrong. But, in reality, Chalicotherium is far from a botched ...

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 ...

Sloths appear to have life figured out, and once the details are revealed, being envious makes sense. These tree-dwelling mammals have survived for millions of years by doing things their own way, and ...

(CNN) — With distinctive two-fingered claws, the remains of a previously unknown species of dinosaur suggest it looked like a bizarre mix of sloth, giraffe and cult movie hero Edward Scissorhands, ...