The largest sloth of all time was the size of an elephant. Known to paleontologists as Eremotherium, the shaggy giant ...

Although many mistake them for monkeys or even bears, sloths are not primates, much less carnivores. These slow-moving, ...

Sloths, the world's slowest mammal, have been around for 64 million years. Sharyn Alfonsi traveled to Costa Rica to learn more about how they've survived.

US health officials are warning travelers about a potentially deadly insect-borne virus known as sloth fever. Pregnant women might be at risk.

No surprise a serial-killer sloth went viral. But 'Slotherhouse' is shockingly good-bad Bill Goodykoontz Arizona Republic 0:05 ...

If in need of a different perspective, consider seeking out some sloth-to-human empathy, writes Patricia Schultheis.

This sloth shutdown was sloooooooow moving. After 18 months, Long Island officials finally put an exotic animal store — and its seven sloths — out of business. Larry Wallach charged $50 a pop ...

Sloth Gives Surprise Birth at Minnesota Zoo: 'It Was a Truly Special Moment' A 6-year-old, two-toed sloth unexpectedly went into labor in her zoo exhibit in front of zoo goers on Wednesday, April 2 ...

In northwestern Colombia, poached baby sloths are sold to tourists as pets. For decades, one man appeared to dominate the trade.

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 ...

Crews with the Washington State Department of Transportation (WSDOT) removed a giant stuffed animal sloth from a tree along I-5 in Bellingham on Tuesday. The sloth was about 70 feet up, so crews ...

Sloth Encounters Shutters Amid Slew of Complaints With their teddy-bear-like characteristics and adorable smiles, it’s hard to deny the likeability of the sloth.