Add Yahoo as a preferred source to see more of our stories on Google. Dental remains dating back 300,000 years, which were discovered at a well-known Chinese archaeological site, have revealed ...

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.

NIH findings may help researchers understand how genomic variation can affect behavioral differences in humans. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases ...