If the simplest explanation is often the most likely, then a new study suggests Neanderthal males and human females did what couples do naturally when they got together when they lived in the same ...

The Neanderthals were our closest human relatives, and roamed the Earth hundreds of thousands of years ago. Although they are long extinct, their genes still live in us today. Neanderthals were ...

Maybe those long-ago couples exchanged glances across a campfire. Maybe they had brief encounters, or long, tranquil cohabitations, or stormy on-again, off-again relationships. However it happened, a ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. What does it mean to be human? For a long ...