Most prehistoric Europeans had dark skin, hair and eyes well into the Iron Age, about 3,000 years ago, new research finds. Scientists found that the genes that cause lighter skin, hair and eyes ...

Penn State researchers spent 15 years working with the Kalinago people in the Caribbean to better understand the genetics underpinning skin tone in people without significant European ancestry.

Researchers from the University of Pennsylvania have discovered key insights into the molecular basis of skin color variations among African populations. Their findings, published in Nature Genetics, ...

From sun-kissed to sunburned, the sun doesn’t affect everyone the same way. Genetics, the environment, and lifestyle play a ...

It's no secret that good genes can explain why some people age well. But researchers says Thursday they have identified a specific gene variant that can make people look about two years older than ...