From her studies, Fiona concluded that the relative absence of creepy-crawlies was the biggest reason chimpanzees build nests ...

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 ...

But the case was considered an anomaly, although there is genetic evidence suggesting this kind of split is a rare event ...

INDIANAPOLIS (WKRC/WISH/CNN Newsource) - A female chimpanzee that escaped from her enclosure at the Indianapolis Zoo on Friday morning was safely returned after being sedated. The escape prompted a ...