Psychopaths may be capable of empathizing with others in some situations, a new study has found. The study's researchers investigated the brain activity of psychopathic criminals in the Netherlands.

People who have difficulty identifying and expressing emotions are more likely to endorse causing harm if it benefits the greater good—especially if they also show traits linked to psychopathy. A new ...

When you think of a person who fits the definition of psychopath, you undoubtedly imagine someone who, in addition to lacking remorse, is incapable of ordinary human empathy. This assumption is so ...

Female serial killers, many of whom are psychopaths, often have different motives than male serial killers. Their display of callous unemotionality can be startling.

President Obama's former campaign manager called Donald Trump a "psychopath" Sunday, continuing the 2016 campaign's descent into questions about the heath and mental fitness of the candidates for ...