Tattoos are forever, right? Well, maybe not like we once thought. You can get them removed (though laser tattoo removal is nothing to scoff at), get an ephemeral tattoo that fades in a few years, or ...

Tattoos are more popular than ever. About a third of Americans have at least one. A scientist-entrepreneur, together with a celebrity tattoo artist, believes that ink could be doing a lot more. How so ...

“Many confounding factors in real life—including lifestyle, UV exposure, occupational hazards, and immune status—can ...

Tattoo artist Selina Medina has been in the business more than 20 years and used to work for an ink manufacturer. She spends a lot of time advocating for tattoo safety, volunteering with several ...

John Swierk is an assistant professor of chemistry at Binghamton University, State University of New York. Tattoos are an incredibly common form of permanent self-expression that date back thousands ...

BOULDER, Colo. — Mad-scientist kind of moments happen fairly often for nanoengineer Carson Bruns. A few months ago in his lab at the University of Colorado-Boulder, he tested his latest invention on ...