It’s not considered polite to talk about it, but we all do it. Some of us are in and out so quickly that nobody would even know we were gone. Others quietly get up from the sofa, tuck a newspaper ...

From lab electrodes to canopy bridges, sloth science shows how patience, data and habitat design turn mystery into daily survival.

The survival of sloths is under threat due to climate change, according to a new study. The famously slow-moving — and adorable — creatures of Central and South America could die out if temperatures ...

Fans of the movie franchise Zootopia know that sloths make the perfect DMV (Department of Mammal Vehicles) workers.

A sloth in its natural habitat in Costa Rica, where sloth populations have decreased in the past decade, according to Rebecca Cliffe, lead author of the research. Bernd Dittrich via Unsplash In the ...

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 ...

The Tulsa Zoo is home to thousands of animals, but some of the most popular residents may be harder to spot during a visit. Sloths spend much of their day hanging in trees, conserving energy and ...

Sloths always have a slight smile on their lips, making them appear friendly and cute. These incredibly slow tree dwellers ...