When the weather heats up, everyone is trying to find a way to cool down, whether they are human or animal. That includes zoo animals, such as this Bornean orangutan at the San Francisco Zoo. As this ...

Young orangutans master the art of building intricate treetop nests not by instinct alone, but by closely watching their mothers and peers. Researchers tracking wild Sumatran orangutans over 17 years ...

Jambi was born only a year ago to his parents, Tua and Sugi, at the Philadelphia Zoo. And now, the zoo is planning a birthday celebration for the baby orangutan. Jambi was the first successful birth ...