A deadly conflict between rival groups of chimpanzees in Uganda led to comprehensive victory and a bounty of territory and ...

Sammy the chimp celebrates his 47th birthday with style.

After gaining new territory through conflict, a chimpanzee group saw higher birth rates and better infant survival due to ...

With an open mind, Goodall discovered that chimpanzees produce tools, form lasting social bonds, and pass on knowledge across ...

Kissing is more than just “mouth-to-mouth” touching, and the study doesn’t really shed much light on why humans kiss the way they do, said Adriano Reis e Lameira, an evolutionary psychologist and ...

Fifteen years ago, researchers working deep in Uganda's Kibale National Park watched something unsettling unfold. The Ngogo ...

A new study has the clearest evidence yet that territorial expansion after lethal conflict can directly boost reproductive ...

A new study has the clearest evidence yet that territorial expansion after lethal conflict can directly boost reproductive ...