The hectocotylus is both a reproductive and sensory organ, Harvard scientists and others have found.
'The Mandalorian and Grogu' adding Jabba the Hutt's son got you thinking too many awkward questions about how that happens? We've got you covered.
The MOR patch is FDA approved for safety, and it's available for purchase online. Oh, and it zaps your taint.
Little is known about how leopard sharks mate in the wild. Rare footage shows a female doing the deed back-to-back with two different males.
New research shows that most states are still requiring kids to be taught abstinence, while only a minority of states require medically accurate lessons.
The motorized saddle now has thrusting action, action, action, action.
New research shows that we regularly transfer traces of our genital microbiomes to sexual partners—a discovery that could someday be used as a crime-solving tool.
Spider-Man: Reign is one of the most infamous Spidey comics around. But is there scientific merit to its infamy? Find out in this exclusive look inside Diana McCallum’s upcoming book, Sex Lives of Superheroes.
Doctors in Iran describe a rare form of synesthesia triggered by orgasm and certain kinds of pain.
Researchers have found a link between reduced sex frequency and a higher risk of dying earlier in women and depressed men.