A new study looks at how the mouth-on-mouth smooch came into being, and concludes that Neanderthals also kissed.

"A comparative approach to the evolution of kissing," was published by Evolution and Human Behavior on Nov. 19 ...

For decades, anthropologists have wondered whether kissing is an evolutionary thing or a unique cultural quirk we humans ...

A new study that examines how kissing evolved suggests that ape ancestors and early humans like Neanderthals probably locked ...

A study led by Oxford University argues that kissing evolved in the common ancestors of humans and apes, and that our extinct ...

Genomes are key to unlocking life's evolutionary history. The presence and absence of certain genetic sequences and mutations ...

Birds are the most diverse land vertebrate on the planet, and now scientists have constructed a complete evolutionary tree of the 11,000 or so known species. This data came from hundreds of studies ...

AUSTIN, Texas—Detailed, accurate evolutionary trees that reveal the relatedness of living things can now be determined much faster and for thousands of species with a computing method developed by ...

New research led by scientists at the Milner Centre for Evolution at the University of Bath suggests that determining evolutionary trees of organisms by comparing anatomy rather than gene sequences is ...