Aspen the two-toed sloth reveals the unique adaptations behind life in rainforest trees.

Sloths are the slowest mammals on the planet, but living in dense jungles has made them notoriously difficult to study. For the first time, scientists have now sequenced and analyzed the two-toed ...

What is a sloth? The two families, seven species and their IUCN status, why sloths are slow, and where to see them ethically ...

Sloths are slow-moving, arboreal mammals living in Central and South America. The two types of sloths are the two-toed sloth and the three-toed sloth. Three-toed sloths are strictly herbivorous, while ...

When it comes to physical activity, few animals have as maligned a reputation as the sloth. The six sloth species, which call Brazil and Panama home, move with no urgency, having seemingly adapted to ...

Take a peek at the world's slowest mammal, so sedentary that algae grows on its furry coat. Read on to learn about life in the slow lane.

Imagine a sloth. You probably picture a medium-sized, tree-dwelling creature hanging from a branch. Today's sloths—commonly featured on children's backpacks, stationery and lunch boxes—are slow-moving ...

Sloths are the ideal representation of calm: slow-moving, sleepy, and perfectly at ease in the treetops. But life in the wild is never as peaceful as it seems and sloths are part of the ongoing food ...