By using a new way to measure psychopathy, Keanan Joyner says we could potentially decrease the cost of the disorder to the U.S. criminal justice system, estimated at $460 billion each year.

Narcissism has become the armchair diagnosis of the decade. Social media is awash with people flinging the label around. Everyone’s ex seems to be a ...

But behind the hashtags and headlines lies a deeper and more urgent question: Can a narcissist change?That question has never felt more relevant than now, as the world watches high-profile figures ...

Tragically, the Titan, a submersible designed to visit the Titanic wreckage site, imploded, killing all five people onboard.

A new study published in Sexual and Relationship Therapy sheds light on how certain personality traits are associated with ...

A diagnosed narcissist has laid out three key ways you can tell that you aren't one as he opens up about what it's like ...

Given that all people high in D try to maximize their own opportunities and outcomes, psychopaths and narcissists share in particular the quality of selfishness. In the words of the authors ...

Composite faces were used to see how easy it is to spot people with psychopathy, narcissism and Machiavellianism.

It’s hard enough dealing with garden-variety narcissists, who exhibit grandiose or even covert characteristics of inflated ego, self-absorption and questionable empathy. But there’s another type of ...