Baby chimpanzees are some of the cutest babies in the animal kingdom. Newborns are only around 4 pounds at birth, which is ...

A new study challenges a prominent evolutionary theory about why women live long after their childbearing years. Leonora, a 46-year-old female in the Ngogo community of chimpanzees in Kibale ...

Young female chimpanzees make their nests earlier and more often than young male chimps, demonstrating their independence ...

An adult female chimpanzee cracks an oil palm nut with a stone hammer and anvil while her infant son looks at the camera. Some chimpanzees appear to be more skilled nutcrackers than others.

Chimpanzees — they’re just like us. Female chimps, it turns out, go through menopause, and go on to live long (and, one hopes, fulfilling) lives afterward. A new paper published today in ...

However, female chimpanzees are known to live apart from their offspring, dispersing to new groups as they get older. So the grandmother hypothesis offers no clues as to why the trait of menopause ...

Peggy, the 55-year-old chimpanzee at John Ball Zoo, died after a steep health decline, the zoo said in a Jan. 29 Facebook post. She defied life expectancy odds for most female chimpanzees.

Western chimpanzee juvenile female "Joya," aged 6 years, playing with young male "Peley," aged 12 years. (Image credit: Fiona Rogers via Getty Images) ...

Humans are known for their ability to create sophisticated cultures, but chimpanzees display some of the same ability as well. A new study from the University of Zurich uses markers of genetic ...

New evidence shows chimpanzees experience the hormonal shift, but what they do afterward remains a question of interest. Females from few species live long past their reproductive years—but a ...

A female chimpanzee was born at the Maryland Zoo on June 10. Now she’s waiting for a name. The infant will join Maryland Zoo’s three other juvenile chimps as chimpanzees learn from birth how ...

The video begins with the female chimp, who spent her early years in a biomedical research laboratory in New York, hesitantly looking outside from the doorway. In the next scene, ...