If you have ever googled the best time to have a second baby, you know the internet has opinions. Some say close-in-age siblings end up inseparable. Others insist that more years between kids protects ...

Isabela and Maya Carroll are, in their words, comically different. Growing up, Maya, with her blonde hair and blue eyes, didn’t just look different from her sister—she was drawn to completely ...

Emotional Lifelines That Last As people age, siblings often become anchors to the past and guides through life’s hardest turns. Adults with strong sibling connections tend to report lower stress and ...

A recent cover story in The New York Times Magazine by Susan Dominus, the author of the new book, The Family Dynamic, explored the underappreciated but powerful and long-lasting influence siblings ...