If you've ever stood in front of the mirror wondering whether your freckles make your skin look "uneven", you're not alone. For years, freckles were treated as something to hide. Heavy foundation, ...

Summer often means sunshine, beaches, and... freckles. These small marks on the skin, often called "sun kisses," are as fascinating as they are puzzling. Why do they appear mostly in summer? What is ...

Freckles are flat, tan or light brown spots caused by clusters of melanin-producing skin cells triggered by sun exposure. They’re noncancerous but more common in people with light skin. Treatment ...

In a study well-timed for summer, vision scientists have found that eye freckles, dark spots on the colored part of the eye (iris), are more frequently found in people with higher lifetime exposure to ...

A Dr. Lisa Arkin, pediatric dermatologist with UW Health and professor in the University of Wisconsin School of Medicine and Public Health: Freckles are composed of an ingredient called melanin, which ...

You've most likely seen freckles on others, and maybe you even have some freckles yourself – but do you know what causes freckles to form? There are a couple of factors that go into freckle formation, ...

Q Why do we have freckles? Blue Sky Science is a collaboration of the Wisconsin State Journal and the Morgridge Institute for Research.