Add Yahoo as a preferred source to see more of our stories on Google. Humans appear to be the only species clearly proven to shed tears specifically because of emotions. Elephants, primates, and dogs ...

Why do we cry? Faced with overwhelming joy or grief, our eyes well up and tears stream down our cheeks. Crying is one of the most defining human experiences one can have. And yet, it's an evolutionary ...

Dear Dr. Fox: I am writing in reference to your article about animals crying. I have four Chihuahuas: two 7-year-olds and two 5-year-olds (they are a mother, father, son and daughter). My husband ...

“She mostly does it because she wants attention, I think," the owner told Newsweek.