A pigment in red hair may have a secret superpower: It can turn a toxic threat into a splash of color. Scientists studying the orange-to-red melanin in bird feathers have found that its production can ...

Hair genetics can come from either parent, and multiple genes can determine hair traits, such as color, texture, and growth. Genes can also affect hair loss. Although it can run in families, this is ...

If you have the rarest hair color and eye color combination, you're one in a million—or more!