Aggression can be contagious, suggests new research. People who repeatedly observe aggressive behavior have a higher likelihood of engaging in violent behavior themselves, scientists say. Researchers ...

Is aggression part of our primate nature, wired into our systems because it helps us survive, or do we learn it from such seemingly innocent occupations as watching cartoons and wrestling matches on ...

A depiction of the paradigm used to assess whether witnessing familiar peers or unfamiliar strangers fight for 10 min leads to aggression 30 min later. Only after watching familiar peers attack do ...

Like humans, mice will compete over territory and mates, and show increased confidence in their fighting skills the more they win. At first, a brain chemical called dopamine is essential for young ...

Scientists have discovered that a specific area within the brain, known as the cortical amygdala, plays a pivotal role in ...

Like humans, mice will compete over territory and mates, and show increased confidence in their fighting skills the more they win. At first, a brain chemical called dopamine is essential for young ...

Researchers at the Francis Crick Institute have found that hunger can make virgin female mice aggressive towards pups, but only in certain hormonal states. These mice would usually ignore other ...