A few seconds passed before Sanz and Morgan heard a gentle hoo from a tree almost directly above them. They looked up and saw a perplexed adult chimp peering down. When wild chimps encounter ...

Koko the chimpanzee was a happy-go-lucky fellow, but he couldn't shake one nagging thought: his lack of a tail.

They are more likely to sprint up and down branches and climb to the summits of trees. Except for their face, hands, and feet ...

Though we don't look much like them, we humans have a lot in common with bonobos and the three other great apes—the chimpanzee ... In this family tree, have a look at what sets us and the ...

Chimpanzees, for example, show population-specific signatures of selection at genes important in immune response (MacFie et al. 2009, de Groot et al. 2010), suggesting that local adaptations in ...

Wild chimpanzees inhabit various environments in Africa, from dense tropical rainforests to more open woodland and savannah areas. And these close cousins of our species, according to new research ...