In the rare and atypical atrophic variant, the normal papules are replaced by flat violaceous macules that are found in the axillae and glans penis. Etiology: Lichen planus is a common ...

Scudder’s book, Mother, Creature, Kin: What We Learn From Nature’s Mothers in a Time of Unraveling. My day-to-day parenting ...

Primordial black holes could inhabit the modern-day cosmos, making them responsible for the phenomenon of dark matter, ...

DNA sequences for the chimpanzee, orangutans and more will help scientists to determine what sets humans apart from other ...

Bryan Wolynski, a board-certified optometrist, discusses what patients should know before their first appointment for ...

The best method that we have for defining color is by using math. Specifically, mind-boggling mathematical models called ...

Supermazes” are theoretical structures that provide a fresh blueprint for understanding the microscopic complexity of black ...

The subject of today's NASA/ESA Hubble Space Telescope Picture of the Week is the stunning spiral galaxy NGC 5530. NGC 5530 ...

Thanks to a mouse watching clips from “The Matrix,” scientists have created the largest functional map of a brain to date.

Casagrande tackles the varied pronunciations of words that are considered accurate by linguists because, even if they sound ...

“Dark circles can be addressed at home by using over-the-counter eye creams, limiting salt intake, sleeping on two pillows to ...

Tyler Hilton, known for his role on "One Tree Hill," is touring the U.S. and Europe. Hilton and Swift have a long-standing friendship, stemming from their collaboration on the 2007 music video ...