From affirmation cards to mirror mantras, a growing number of celebrities are turning to this as a daily ritual to manage anxiety, boost confidence and stay grounded in a high-pressure industry.

The human mind has always fascinated scientists, but the quest to understand psychological behavior has led researchers down some disturbingly dark paths.

Psychology is increasingly a female-dominated profession. That may have implications for boys and men.

In the months after Jeffrey Epstein was released from a Florida prison in June 2009, he began to court several of the world’s top academics, including celebrated Penn Psychology professor Martin ...

“I’m grateful. I’m happy. I’m proud of myself. I practice mindfulness. I’m optimistic.” Do these mean the same thing? People often use them interchangeably, but definitions have consequences. When we ...