Tampa, Florida -- Five-month-old chimpanzee Keeva has learned a lot in her young life. She can laugh, reach out and grasp objects, stand upright while holding on, hang briefly from a tree branch or ...

Bala Amarasekaran has never felt like running his world-renowned sanctuary for orphaned chimpanzees in Sierra Leone was truly work, having come to his calling only after several unexpected twists of ...

Add Yahoo as a preferred source to see more of our stories on Google. The Los Angeles Zoo announced Thursday that its chimpanzee troop has welcomed two healthy baby girls — the first chimps born at ...

Esther and Rio, two orphaned baby chimpanzees, clung tenderly to their caregiver's chest at a sanctuary inside one of Sierra Leone's flagship national parks, where unprecedented deforestation and ...