How young animals interact with their siblings during their first months of life determines their social skills later on. This is shown by experimental research on the tropical freshwater fish ...

For many animals, siblings are a key component of their social environment during early life. Previous research has shown ...

When we think about the relationships that shape us, we often default to discussing our parents. Decades of psychological research have explored the influence of parenting styles, attachment dynamics, ...

If your kids argue, consider if they'd be able to resolve it when you're not there. (Getty Images) The presents are unwrapped, the food's been eaten, and Christmas is officially over for another year.