Aggressive behavior is exceptionally costly and has inspired decades of research. Over the years, scientists have largely agreed upon the following definition of aggression: "Any intentional attempt ...

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.

A recent study by the AAA Foundation for Traffic Safety found that 96% of drivers admit to engaging in aggressive driving behaviors over the past year.

Before we had gaslighting and narcissism, passive-aggressive behavior was considered a major faux pax. It still is and for good reason. But let's back up a second—what exactly is "passive aggression"?

When a prickly comment comes wrapped in a smile, it's a bit harder to uncover Passive-aggressive behavior can make friendship confusing. One second, you’re clinking glasses of espresso martinis over ...

The phrases passive-aggressive people use without even realizing it can cause emotional harm and confusion. Just because someone might be expressing negative emotions in a subconscious way, that doesn ...

Risk assessment for dogs with a history of aggressive behavior is a complex, multifaceted process that requires careful ...

What is considered polite behavior in an upper-class home can sometimes feel tone-deaf or even passive-aggressive towards people who aren't accustomed to their type of lifestyle. Things like referring ...