Sibling caretaking can alleviate families’ childcare demands and promote children’s positive development, but it can also be ...

When Sara Kessler lost her 2-week-old baby, big sister Ruby, then 5, had trouble coping. A year and a half later when Kessler's next baby, Liv, fell seriously ill, Ruby was worried. "She had a hard ...

Marissa Nivison receives funding from the Social Sciences and Humanities Research Council of Canada. Sheri Madigan receives funding from the Social Sciences and Humanities Research Council, the ...

The sibling relationship is one of the longest-lasting relationships in a person’s life. Over 80 percent of U.S. children grow up with a sibling, but the importance of this relationship often goes ...

The Science of Siblings is a new series exploring the ways our siblings can influence us, from our money and our mental health all the way down to our very molecules. We'll be sharing these stories ...