Personality

Even when everything's going great in your relationship, deep down you likely harbor some ambivalence toward your partner. Psychology research suggests it's not just OK, but normal.

Psychologists studied over 2,000 people to understand sadistic aggression, which they believe plays a critical role in real-world violent acts such as school shootings and terrorism.

Drinking alcohol made shy people feel less anxious—but only in the short term, scientists found.

As people mature, their type might change.

There also appears to be little benefit in being extremely attractive over simply being very attractive in the eyes of a typical potential partner.

Scientists believe the technique could be replicated in humans with more research.

Our eyes are a window into our personality.

Participants in clinical trials who were given a small dose of psychedelics were rated as having more openness than non-users.

Perfectionists should consider talking to themselves about their mistakes as they might to a friend, one expert says.

In a new study, we were able to remove the influence of parents.

The study used brain scanning software to revisit an old and misguided theory.

Men with higher levels of testosterone were more likely to prefer rock music, while lower levels were associated with a preference for classical and jazz.

A new set of studies argues that the strategy makes people far less likable.

Think your charm stacks up to George Clooney or Justin Trudeau? Here's how to find out.

Female psychopaths can be just as cunning and calculated as their male counterparts.

Oklahoma Republican Tom Coburn still said the president's base is unlikely to be bothered by his mental state.

What's your Neanderthal quotient?

These dangerous personalities appear to favor certain songs over others, although the reason why is not yet clear.

It's like Myers-Briggs, but for guppies.

Duncan Hunter gave a stark assessment of Trump's character.

Only 34 percent of U.S. adults said Trump has the personality and leadership qualities a president should, far lower than responses about Obama and Bush.

A man's level of self-confidence and sociability is tied to a higher income in later life—and these positive traits are increasing in society over recent decades.

Experiments show people who are more "open" are more creative, and these people have different visual experiences, experiments show.

A new study found that the mood changes drinkers experience under the influence are not always apparent to an outside observer.

This is the first time the big five personality traits have been clearly linked to differences in brain thickness, area and folding.

A study finds that Facebook "likes" can predict some personality traits better than most humans do.

A new study of 800 men between ages of 18 and 40 suggests a heightened chance of antisocial behaviors among social media hounds.