Chimps in the wild engage in deadly battles with rival troops to increase their reproductive success, suggests new research. The Ngogo chimps of Uganda’s Kibale National Park have long been known for ...

The National Institutes of Health will stop breeding chimpanzees for use in medical testing, the agency announced yesterday. The practice is being abandoned for financial reasons, NIH says; because ...

The zoo in Colwyn Bay says her legacy will continue through her son and his offspring.