GRAND RAPIDS, MI - Peggy, a 55-year-old chimpanzee, died this week after John Ball Zoo staff saw a deterioration in her ...

Tulsa Zoo said chimpanzee gestation is around eight months. The father is believed to be either alpha male Bernsen or Enloe.

Scientists suspect that contagious urination, a behavior they observed among a troop of apes in Japan, may play an important ...

For chimpanzees, the need to pee appears to be contagious. A study published January 20 in the journal Current Biology finds that when one chimpanzee urinates, the others in a group are more likely to ...