Evolutionary biologists have been investigating the evolutionarily origins of kissing by taking a broad look at behaviour in Afro-Eurasian primates, a family tree that includes chimps, bonobos, and us ...

A new study reveals that the impact humans are having on the Amazon rainforest is so profound it is even changing the ...

A badly crushed cranium unearthed decades ago from a riverbank in central China that once defied classification is now shaking up the human family tree, according to a new analysis.Related video above ...

Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining ...