A tickly itch, a painful scratch, or the feeling of a refreshing breeze—the skin is teaming with nerve endings that drive these sensations. Scientists are getting into the epidermis to explore how ...

Could wounded skin someday regrow perfectly without scars? A new study by Harvard stem cell biologists published in Cell reveals a way to fully regenerate skin by unblocking an embryonic healing ...

Deep inside a small, windowless room at the University of California, Berkeley, two microscopes are quietly capturing some of the most detailed views of life ever recorded. Day and night, they collect ...