AMES, Iowa – It was a discovery that changed what researchers knew about the hunting techniques of chimpanzees. In 2007, Jill Pruetz first reported savanna chimps at her research site in Fongoli, ...

Chimpanzees living in the West African savannah have been observed fashioning deadly spears from sticks and using the hand-crafted tools to hunt small mammals -- the first routine production of deadly ...

DES MOINES, Iowa (AP) -- Researchers have witnessed a chimpanzee skewering a lemur-like creature for supper, but it's unclear whether the spectacle was a bit of luck or an indication that chimps have ...

This chimpanzee shares nearly 98% of its DNA with humans, but behind its intelligence is a brutally powerful primate capable ...