Researchers Bella DePaulo and Robert Milardo explore the importance of collateral kin—aunts, uncles and others in extra-nuclear support systems.

Parents who favor one child over another can create long-term emotional problems and can devastate family relationships.

Vision interviews Laurie Kramer, associate dean and professor of applied family studies at the University of Illinois. It’s never too late to build healthy relationships between children or to mend a broken sibling bond, says Dr. Kramer.

It’s an imperative with a millennia-long history. But why is it important to develop self-awareness?

Sibling violence is as old as Cain and Abel. Where is the line between “normal” sibling conflict and abusive behavior, and how and when should parents intervene?

We now know that the adolescent mind is as active as a baby’s when it comes to neural pruning in preparation for adult life; it is truly a work in progress.

One of the most important responsibilities that parents take on when they have children is teaching them to regulate their thoughts, emotions and behavior. But how?