She says when male and female insects look different, that is called sexual dimorphism – and this can happen in a variety of ...

Geneticists have a better understanding of how prehistoric pairings unfolded, with new research suggesting they were mostly between male Neanderthals and female humans.

A preference for pairings between male Neanderthals and female Homo sapiens may answer the question of why there are "Neanderthal deserts" in human chromosomes.

Interbreeding between Neandertals and ancient anatomically modern humans primarily occurred between male Neandertals and female humans, a new study suggests ...

Ancient linkups may have happened more frequently between female humans and male Neanderthals, according to an new genetic ...

When ancient humans interbred, new research shows that the pairings were predominantly male Neanderthals and female Homo sapiens.

When ancient humans mated, dad was a Neanderthal, mom was Homo sapiens.

Biologists have long wondered why caribou are the only deer in the world in which females—like males—have antlers. A study of ...

When it comes to intricacy, few animal nests can compete with those constructed by long-tailed tits. This is how they make ...