Kissing is something of a mystery, being "only documented in 46 percent of human cultures," noted psychologist Catherine ...

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

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 ...

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

WASHINGTON (Reuters) - Since first appearing during the age of dinosaurs, snakes have authored an evolutionary success story - slithering into almost every habitat on Earth, from oceans to tree tops.

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 ...