The real revelation, however, came from the men. Men considered a larger penis as an indicator of a rival with both greater ...

Japanese macaques are famous for soaking in hot springs during winter, but new research suggests this behavior may serve ...

The celebrated Sundance Film Festival, opening Thursday in Park City, Utah, includes films starring Natalie Portman, Olivia Wilde, Seth Rogen and Charli XCX, plus a wide range of documentaries.

Dr. Justin Garcia, a researcher with Indiana University's Kinsey Institute insists that relationships could be happier and ...

Body language experts reveal the hidden signals your face, eyes, hands and posture send—and how to decode what others are ...

Harold Shipp, following his father Gordon Shipp, left a legacy behind that transcended development and helped to shape our ...

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

Men assess potential rivals that have a larger penis as more of a threat, both physically and sexually, according to a study ...

Despite being one of the most cooperative species on the planet, humans routinely fail to manage shared resources sustainably ...

Scientists have long focused on quantifying fear and other negative emotions in animals. Now they’re trying to measure positive feelings — and it’s a challenge.

This important study combines a two-person joint hand-reaching paradigm with game-theoretical modeling to examine whether, and how, one's reflexive visuomotor responses are modulated by a partner's ...