Add Yahoo as a preferred source to see more of our stories on Google. A comical attempt at teamwork between two chimpanzees at Beijing Zoo takes a dramatic turn when a simple nut-cracking experiment ...

Luella and Winthrop Niles Kellogg believed they could use their own child in a chilling experiment involving a chimpanzee. Toddler Donald Kellogg was just 10 months old when he became one of the ...

A group of chimpanzees once used in laboratory experiments for hepatitis B vaccines are receiving medical care at a sanctuary ...

A group of chimpanzees once used in hepatitis B vaccine experiments in Liberia are undergoing comprehensive health checks at ...

Glee star Lea Michele has written to the National Institute of Health in a bid to stop research carried out on chimpanzees. “As an animal protection advocate, I implore you to help 14 chimpanzees who ...