Add Yahoo as a preferred source to see more of our stories on Google. The Wayans family has always had what basketball fans might call a deep bench. With 10 siblings (Dwayne, Keenan, Diedra, Damon, ...

If you’ve ever watched a pair of siblings laughing over an inside joke, backing each other up at the dinner table, or navigating life with the seamless shorthand of best friends, you might assume it’s ...

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 ...