Esther and Rio, two orphaned baby chimpanzees, clung tenderly to their caregiver's chest at a sanctuary inside one of Sierra ...

All of the former research chimpanzees that had been living on an Air Force base in New Mexico have finally arrived at a sanctuary in Louisiana. Many of these chimps are in their 50s and 60s.

Two studies of wild chimps point to the evolutionary roots of human language. The studies found that chimp communication often relies on rhythmic structures and call combinations.

Forest clearing has forced hungry chimps to raid villagers’ crops. At times, chimps kill children, and villagers kill chimps. On this trail near Mparangasi village, a boy fetching water pauses ...

These chimps were a barrel of laughs. Wild chimpanzees in West Africa were caught on video for the very first time sharing fermented African breadfruit that contained ethanol. Researchers from the ...

The interpretation of the observed behavior remains somewhat speculative. It's unclear, for instance, whether any of the chimps were related to each other; kin-selection effects may be at play.

How scientists studied collective chimp urination behavior. Onishi and her team studied 20 captive chimps − 16 males and four females − who were socially acquainted with each other.

Motion-activated cameras spotted the chimps sharing this fermented fruit on 10 separate occasions. CREDIT: Bowland et al. Get the Popular Science daily newsletter💡 ...

Urinating is a contagious behaviour among chimpanzees, a study has found. Individual chimps that see another chimp urinating will respond by also emptying their bladder, especially if the first to ...