When people with high levels of narcissism feel ignored or excluded by others, they are more likely to lash out using specific types of passive-aggressive behavior. A recent study published in the ...

Passive-aggressive people often say these 11 unnerving things without even realizing how damaging they sound. If you've ever ...

Aggression Is More Common Than Drivers Realize Aggressive driving has become widespread in recent years. A survey from the AAA Foundation for Traffic Safety found that 96% of drivers admitted to ...

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"?

Learn how comparing aggression in chimpanzees and bonobos challenges the long-held belief that chimpanzees are the more violent of our closest ape relatives.

Research scientists say kids who are persistently aggressive or defiant in their teens were likely showing signs of persistent aggressive behavior years earlier when they are toddlers. Sometimes as a ...

A new study of chimpanzee and bonobo groups at zoos reveals similar levels of aggression. However, scientists found stark sex-based differences between the species.

Chimpanzees have a reputation for being aggressive, while bonobos are often seen as their peaceful counterparts. This ...

Passive aggressive leadership in action. As a communications coach to executives and entrepreneurs all over the world, I’ve seen the team-building challenges that passive-aggressive organizations face ...