While watching a group of captive chimpanzees for her graduate research, Ena Onishi noticed something odd about the primates. "They seemed to have a tendency to urinate around the same time," said ...

Researchers at the University of College London recently undertook a massive study to better understand chimps. The team analyzed data from fecal samples of 828 wild chimpanzees across 30 populations, ...

Al and Kamaka, two old friends who are both in their 50s, are experiencing a whole new world. Part of what's novel: females. "Right off the bat, they were just enamored with the ladies in the group," ...

KIBALE NATIONAL PARK, Uganda (AP) — The man tracking chimpanzee movements in a rainforest is required to follow the primates wherever they go — except up in the trees. Onesmas Ainebyona stalks the ...

Chimps may revise their beliefs in surprisingly human-like ways. Experiments showed they switched choices when presented with stronger clues, demonstrating flexible reasoning. Computational modeling ...

Retired research chimps from New Mexico are moving to Chimp Haven, the world's largest chimpanzee sanctuary, in Louisiana. The National Institutes of Health confirmed to the Associated Press on Friday ...

In 2014, University of California, Berkeley biologist Robert Dudley wrote a book called The Drunken Monkey: Why We Drink and Abuse Alcohol. His controversial “drunken monkey hypothesis” proposed that ...