Evolutionary Psychology

Women use specific strategies to vet potential mates, according to new research. The study highlights "integration" into the family as a primary method for detecting dishonesty in dating contexts.

A new study suggests men unconsciously avoid status-signaling purchases when their partners are fertile. The research highlights how oxytocin and evolutionary instincts prioritize relationship maintenance over showing off to new mates.

Boredom might be a functional trait for those living on the edge. Researchers found that boredom proneness is strongly associated with "fast life history strategies" at both the individual and national levels.

Beauty may be a biological strategy for saving energy. Scientists found that the human brain and AI models expend less metabolic effort processing images perceived as attractive, suggesting our visual preferences help conserve bodily resources.

Researchers have found little evidence to support the theory that feminine morphological traits cue reproductive potential. A new analysis indicates that characteristics like waist-to-hip ratio are not reliable predictors of a woman’s fertility.

A study finds that women raised in unstable environments often develop impulsive or callous personality traits. These characteristics are linked to a “faster” reproductive strategy, resulting in more sexual partners and earlier sexual debut.

A study in Evolution and Human Behavior reports that men with higher testosterone levels have body odor perceived as more dominant, providing evidence that humans respond to chemical signals regarding social rank.

Why do we date people who resemble us? Australian researchers suggest it isn't just social pressure. Their computer simulation shows that heritable traits and preferences naturally lead to "assortative mating" without any outside forces.

A new study suggests that women who prioritize parenting and long-term planning are more likely to rely on others' opinions to judge men, particularly when avoiding potential partners with negative reputations.

New research reveals that hundreds of genes behave differently in male and female brains. These variations appear early in fetal development and may explain why the sexes face different risks for diseases like Alzheimer’s.

Researchers found that women prefer mates who show "growth motivation," meaning a desire to broaden perspectives and develop wisdom. This trait signals maturity and stability, making these men more desirable for long-term commitments.

People who see themselves and their partners as similarly high in desirability tend to report happier, more committed romantic relationships, according to new findings.

Psychologists are rethinking friendship, arguing it’s not a transactional exchange. Their "risk-pooling" model shows friends act as a safety net during major crises, a crucial survival strategy that prioritizes loyalty and support over keeping score.

Contrary to stereotypes, men may actively trade physical attractiveness for status within marriage. Research in Economics & Human Biology indicates that regardless of gender, a spouse typically exercises more and loses weight when their partner’s relative earnings increase.

A new study finds the link between personality and relationship outcomes differs for men and women. The association between extraversion and partnership status, for example, is much stronger for men than for women.