When we think of red hair, images of rolling green hills, Celtic music, and the rugged beauty of Ireland and Scotland often come to mind. After all, these regions boast the highest percentage of ...

With vibrant red hair, pale skin and lots of freckles, Sara McOlvin knew she was vulnerable to skin cancer, but there were even more risk factors to consider. Melanoma runs on both sides of her family ...

Genetic research shows Neanderthals carried variants for red hair, freckles, and pale skin, while others had darker complexions. Populations living further north evolved lighter tones for vitamin D ...