Researchers including Ali Yetisen in the UK and Carson Bruns in the US are developing injectable “smart tattoos” that could monitor certain biomarkers in the human body.

President-elect Donald Trump’s new pick to lead the Department of Defense, Pete Hegseth, is being blasted for tattoos that some allege are symbols of White supremacy and Christian nationalism ...

Ötzi the prehistoric iceman had 61 tattoos preserved on its body, and researchers have been investigating their meaning since the mummy was discovered 30 years ago.

Anesthesia tattoos aren't cheap. For instance, a back tattoo while under general anesthesia, Lacoste says, tends to cost between $30,000 to $35,000, depending on the design.