Women most often ranked male bodies more attractive when they exhibited a higher shoulder-to-hip ratio (i.e. a V-shape) and a ...

For years we’ve heard the old adage that “size matters.” And according to a new study, it turns out that it really does, but ...

Essentially, attractiveness pretty much stopped going up after about four inches in length. So size does matter to women, but ...

"Size matters" sounds like a tabloid cliché, but for evolutionary biologists the size of the human penis is truly a puzzle.

Australian researchers found that human penis size influences both female attraction and male assessment of rivals.