Siblings who fight a lot gain surprising advantages, from thicker skins to sharper negotiating skills. Indeed, conflict is inevitable, but it’s important to note that it doesn’t have to come at the ...

“Siblings by chance, best friends by choice,” the cliché goes. But ask real people about their own family dynamics, and their reactions will probably vary. Some siblings are inseparable, talking daily ...

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 ...

From braiding hair to playing a sport to solving tricky math equations, siblings can teach each other a lot about the world. In a recent study published in the Journal of Cognition and Development, ...