You handle your daily responsibilities, manage a household, and navigate the complexities of adult life with a level head. But the moment your sibling shows up, that put-together persona often ...

Why kids fight: Sibling rivalry stems from evolutionary drives, competition for resources, and differences in personality, ...

Sibling rivalry is universal in families with more than one child. Managing sibling relationships is a skill that is challenged at every developmental stage.

Sibling rivalry might not unique to humans. New scientific research shows that baboon siblings in southern Africa also feel jealousy toward each other. Sibling rivalry can be intense between young ...

Sibling rivalry, Alla Drive: On March 30, the fire department was dispatched to an Alla Drive address regarding a male being out of breath. Shortly after, firefighters called for police after ...