Imagine spending your day suspended upside down in a leafy canopy, moving so slowly that even the wind seems fast. For sloths ...

An award-winning zoologist, her spirited right-hand woman, and their sloth-sniffing rescue dog team up in Costa Rica’s lush jungles for the first-ever ...

Sloths move so slowly that their predators just don't see them. They have got 64 million years of evolution in the game of hide and seek. They are the ultimate masters of camouflage. Everything a ...