A vulnerable sloth is seen facing off against a large dog in an image that highlights a heartbreaking conservation issue. American photographer Suzi Eszterhas entered it into the 58th Wildlife ...

Sloths, the world's slowest mammals, have evolved over 64 million years into a species that thrives throughout Central America and northern South America, but climate change and human sprawl could be ...

The apparent docility and friendliness of “smiling” sloths have made them tourist darlings, but have also put a target on their backs. The rise in trafficking of these animals led the governments of ...

Modern sloths may be dedicated vegetarians, but at least one of their massive Ice Age cousins chowed down on meat when it had the chance. Darwin’s ground sloth — which could grow to over 3 meters long ...

While humans wouldn’t be very happy to find that organisms were growing on their skin, particularly fungi, algae, and insects, it works out pretty well for sloths. Sloths may be hosting entire ...

Heather Ewart does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Millions of years before the White Sands National Monument became a stark landscape of gypsum sand dunes, it was the site of a salty sea. When those waters evaporated about 12,000 years ago, they left ...