Evolutionary Psychology

A new study using Canadian census data reveals that a neighborhood's economic and demographic conditions can predict the reproductive patterns of its residents 15 years later, offering insights into how childhood environments shape long-term family planning.

Your age, income, and local economy heavily color how you view dating and job opportunities. A new study on online daters reveals how men and women perceive gender equity, career access, and romance in completely different ways.

Same-sex attraction in Iran appears to cluster within families and is linked to lower numbers of biological children in some groups, according to new research.

A new study shows that while friends are our go-to for everyday chores, we rely on siblings for demanding tasks like childcare. Researchers say this reflects an evolutionary drive to invest heavily in our genetic relatives.

Men who were more romantically or sexually interested in their female friends tended to pay for more shared expenses, and women read this behavior as a sign of mating interest, according to research.

New research in Applied Research in Quality of Life indicates that being perceived as unattractive during adolescence predicts a shorter lifespan. Interestingly, this increased mortality risk appears to affect women.

When people feel dissatisfied with their height, they often modify other physical traits to make up for it. New research explores the surprising everyday habits and bodily changes associated with this frequently overlooked body image insecurity.

A new study explores the connection between a woman's body size and her romantic jealousy. Researchers found evidence that a woman's height and BMI are linked to how threatened she feels when she hears another woman with a highly feminine...

By analyzing the genomes of over 15,000 ancient humans, researchers have mapped how natural selection shaped traits across West Eurasia over the past 10,000 years, revealing evolutionary shifts in disease resistance, physical appearance, and complex behaviors.

A new psychological study of traditional and reversed-gender relationships reveals that when women hold dominant roles, they care less about a partner’s financial resources and place a much higher value on physical attractiveness.

A newly published hypothesis suggests that human eyes evolved from a single "third eye" on an ancient ancestor's head. This proposed evolutionary detour would explain why vertebrate vision is unique, leaving a functional remnant inside our brains.

Feeling jealous can prompt romantic partners to prioritize defending their relationship over routinely nurturing it. Over time, this defensive focus creates a self-reinforcing loop that can increase jealousy and quietly erode long-term relationship satisfaction.

For decades, testosterone has been blamed for reckless behavior and risky financial gambles. However, a massive new meta-analysis of over 17,000 participants reveals that the link between the "macho" hormone and risk-taking is essentially zero.