A sample of 4,013 participants from 24 countries were asked about aggression toward siblings and non-sibs, to determine ...

Becoming estranged from a sibling can be devastating, even when it also brings a sense of relief. Here's why it happens, and ...

Romantic partners and bosses aren’t the only people who can have narcissistic traits.

Forbes contributors publish independent expert analyses and insights. Mark Travers writes about the world of psychology. Most of us like to think we’ve outgrown our childhood roles. We pay our own ...