A rare painting by Marlow Moss, a trailblazing queer Constructivist and peer of Piet Mondrian, just smashed her auction ...

ATTLEBORO, Mass. (WPRI) — The Capron Park Zoo has chosen the name of its baby sloth. The Attleboro zoo announced Tuesday ...

These sloths raise cuteness to a whole new level We dare you not to smile at these cute sloth pictures Photographs of cute ...

Sloths, the world's slowest mammal, have been around for 64 million years. Sharyn Alfonsi traveled to Costa Rica to learn ...

Defecating exposes sloths to predators on the jungle floor. An unexpected ally benefits, and returns the favor. A brown-throated three-toed sloth peers over a tree's buttress root while defecating ...

The sloth dynasty coincided with some life-altering changes in Earth’s climate. About 20 million years ago, a large rift opened up between present day Washington state and Idaho, south through ...

The sloth family tree once sported a dizzying array of branches, body sizes and lifestyles, from small and limber tree climbers to lumbering bear-sized landlubbers. Why sloth body size was once so ...

Sloths have a reputation for being sluggish and slow, spending most of their lives dozing in trees, but a new study suggests this is one of the enduring secrets of their success.

Woodland Park Zoo is mourning the loss of Tasha, a 20-year-old sloth bear that was humanely euthanized following a cancer diagnosis.

Como Park Zoo & Conservatory in St. Paul announced its 6-year-old Hoffman’s two-toed sloth, Sago, gave birth in her exhibit on April 2 in the middle of a normal day at the zoo.

Zoo guests in Minnesota were the surprise witnesses to the birth of a baby sloth, one even the zoo staff didn’t see coming. Como Park Zoo & Conservatory in St. Paul announced its 6-year-old ...