African wildlife expert Rob the Ranger captures leopard cubs resting in the shade of a large tree in Maasai Mara.

African wildlife explorer Rob the Ranger captures a leopard gnawing a bone high in the trees to stay safe from rivals.

Dodging fire-ants, snakes and millions of nighttime creepy-crawlies, a group of trekkers advances through the humid Bornean ...

Tarsiers have the largest eyes relative to body size in the animal kingdom. Dragonflies boast dazzling, multifaceted eyes that shimmer like stained glass. Slow lorises have huge, pleading eyes that ...