The whole world could soon be seeing red. Instead of being the punchline, redheads will have the last laugh, as a new study reports that humans have been constantly evolving to have flame-colored hair ...

When most people think about natural selection, they imagine individuals competing with one another: The fastest animal escapes predators, the strongest plant produces more seeds, and the most ...

Many people are familiar with the concept of natural selection and “survival of the fittest.” While modern humans may look like they’ve been at their “fittest” for hundreds of thousands of years, new ...

A massive study of ancient DNA from nearly 16,000 people across more than 10,000 years in West Eurasia reveals that natural selection has shaped modern human genomes far more than previously thought.

In natural populations, the mechanisms of evolution do not act in isolation. This is crucially important to conservation geneticists, who grapple with the implications of these evolutionary processes ...