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.

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 ...

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 ...

Fruit skin color is central to pear quality and market value, with russet skin offering both protection and unique appearance. Researchers have identified PbWRKY24, a transcription factor that plays a ...