A urinalysis shows that these apes ingest significant amounts of alcohol, providing new clues to how alcohol influences the animals’ behavior ...

After University of California, Berkeley graduate student Aleksey Maro and integrative biologist Robert Dudley discovered ...

The riskiest behavior in humans peaks in adolescence. Researchers from the University of Michigan and James Madison University expected to find risky behavior to peak in adolescence in a study of ...

A new book edited by chimpanzee experts Drs. Lydia Hopper, Assistant Director of the Lester E. Fisher Center for the Study and Conservation of Apes, and Stephen Ross, Director of the Center, called ...

Chimpanzees exhibit surprising human-like behaviors, including using leaf-tearing as a flirting technique, mirroring adolescent human awkwardness. This courtship behavior, observed in various forms ...

Chimpanzees have been spotted eating and sharing an alcoholic fruit in the wild for the first time, leaving scientists perplexed about why the primates would deliberately seek such a diet.

Learn how urine tests revealed that wild chimpanzees metabolize alcohol from naturally fermented fruit, and what that could mean for human evolution.

In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question ...