Aggression and reactivity account for the largest share in training inquiries submitted by American pet owners.

A new study of our two closest living relatives finds that, at least in zoos, bonobos may not be more peaceful than ...

Do you work with a student who consistently performs at a level that is beneath his ability? Is there a child in your classroom who habitually procrastinates, predictably “forgets,” and inevitably ...

New leaders that fail to deal with others’ passive-aggressive behavior inevitably fail themselves. This is even more of an issue with the increase in remote work as that makes it easier for those ...

The passive aggressive student, on the other hand, sits there cool as a cucumber, having succeeded in frustrating his teachers and getting her to act out the anger he had been hiding. Therefore, ...

We all come across people who appear very calm but who we can sense have anger and hostility beneath the surface. The show of calmness is an effort to subtly and discretely hide their real feelings.

The bird of prey is said to have attacked more than 25 people already—authorities even advise taking an umbrella for ...

Add Yahoo as a preferred source to see more of our stories on Google. Passive-aggressive behavior can sometimes be hard to identify. Here are some common phrases to avoid. Halfpoint Images via Getty ...