Human skin, hair, and eyes come in a huge variety of colors, but until now, scientists have only known a fraction of the genetic diversity driving this variation. Now, new research finds many dozens ...

The skin, hair and eye color of more than eight billion humans is determined by the light-absorbing pigment known as melanin. An article recently published in the journal Science features research ...

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, ...

What Birthmarks Really Are Birthmarks are visible skin markings that appear at birth or shortly afterward, and they affect a ...

The skin acts as the body's first line of defense against external threats. However, as we age, the epidermis—the outermost layer of skin—gradually becomes thinner and loses its protective strength.