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 ...

Chimpanzees constitute a national resource for biomedical research that can be perpetuated only by breeding animals already in the captive population. However, there are more chimpanzees than are now ...

Chimpanzees in biomedical and behavioral research constitute a national resource that has been valuable in addressing national health needs. Facilities that house chimpanzees owned and supported by ...