All humans cry. Some of our tears are meant to keep our eyes moist and healthy. Others clean out the eye from dust, pollens ...

We usually associate emotional tears with sadness and grief. Why, then do we also cry when we're overcome with positive emotions like joy or relief? Yale psychologist Oriana Aragon co-authored a ...

Crying tears of joy and laughing at bad news are ... lead author of work to be published in the journal Psychological Science. 'They seem to take place when people are overwhelmed with strong ...