FILE: Reconstructions of a Neanderthal man, left, and woman at the Neanderthal museum in Mettmann, Germany, March 2009 ...

By now, it’s firmly established that modern humans and their Neanderthal relatives met and mated as our ancestors expanded ...

Humans and Neanderthals cozied up from time to time when they lived in the same areas tens of thousands of years ago. But we don’t know much about who got with whom, or why.

But the study, published Thursday in the journal Science, shows “that whenever Neanderthals and modern humans have mated, ...

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

Learn how sex-biased interbreeding between Neanderthals and modern humans explains why Neanderthal DNA is largely missing ...

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

Scientists discovered hundreds of energy-making enzymes secretly working on human DNA—revealing a hidden “mini-metabolism” ...

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

A new method for safely inserting large chunks of DNA into genomes has now measured up in mice, potentially paving the way ...

When the two species got together tens of thousands of years ago, the hookups may have often involved a male Neanderthal and a female human, according to a new study. The findings, described February ...