"Someone's getting old! Happy birthday, bro." ...

Dear Eric: I am a woman in my 60s with six siblings. Our parents are in their early 90s and have raised us to be thoughtful and respectful. Many of my siblings are female and have always gotten along ...

What difference do siblings make? Apparently not a lot when it comes to social skills. Parents have been primed to be concerned that only children might have difficulties sharing and making friends ...

Eighty percent of American children grow up with at least one brother or sister—more than the number of kids living with their fathers. Yet, for more than a century, psychological research has largely ...