Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life into year-round intimacy.

Scientists say DNA evidence indicates male Neanderthals and human females interbred more often than opposite ...

The human genome is a rich, complex record of migration, encounters, and inheritance written over thousands of millennia.

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

Researchers found that Neanderthals carried excess modern human DNA on their X chromosomes, pointing to predominantly male ...

New research reveals that ancient interbreeding between humans and Neanderthals shaped our modern human DNA - especially on the X chromosome.

The first time a person rides a rollercoaster, they may find it exhilarating, but when they get back on to ride again, they may find that they can’t replicate that initial feeling of excitement.