The endangered eastern lowland gorilla populations are now so small that the species is facing a new threat: loss of genetic diversity.

The jury is still out on whether or not Koko's signing skills proved that apes can learn language. But we certainly learned a lot from the famous gorilla.

Giant snail farming may be the only hope to save an endangered gorilla species in Cameroon.

There is a hidden cost of the Ebola epidemic: Africa’s great apes are declining.