New findings show how knowledge-sharing can suffer under the reign of a narcissistic boss.

New research investigates how narcissism makes people more or less likely to follow COVID mitigation strategies like masking up or getting vaxxed.

New research digs into the origins of narcissism and how "flexing" to show off can lead to a vicious cycle of trying to cope with insecurity.

"The general picture is that individuals who believe in themselves, and believe that they are better than others, engage in the political process more."

A new study that followed first-year college students until they were in their 40s shows that narcissism tends to decline as we age.