Boys who live in an environment which values traditional masculinity are more likely to lash out.

Activities such as deep breathing, muscle relaxation, yoga and meditation help people manage their anger, according to a meta-analysis of studies involving more than 10,000 participants.

Science has shown that violence among monkeys, rats, and mice increases when the weather is warm. Now it seems we can add dogs to the list.

All brothers and sisters have tensions or disagreements from time to time as they jockey for position in the family. But when one sibling victimizes another, there can be serious and ongoing harms.

New research clarifies why people defer to aggressive bosses despite not respecting them.

A focus on raw intellectual talent may unintentionally create a cutthroat workplace culture. New research suggests women’s preference to avoid that environment may contribute to gender gaps in some fields.

Birds will shriek and dive at each other over food, territory or mates, but only a small number of species sport actual weapons. The reason: Flying matters more for their survival than fighting.

Birds will shriek and dive at each other over food, territory or mates, but only a small number of species sport actual weapons. The reason: Flying matters more for their survival than fighting.

Attacking your own side and blaming your foe has a long history and a firm grip on the popular imagination. But the internet makes it difficult to pull off – and less desirable.

A new book argues that climate change, particularly higher temperatures, will push the needle toward aggression and violence.