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 ...

Scientists mapped the two-toed sloth genome and found a record number of extra gene copies. These unique energy-linked genes may explain how sloths survive on so little daily energy.

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 ...

Get to know the world's slowest mammal. Learn what it does all day in the treetops of Central and South America.