Anyone who has ever noticed tears in their cat's eyes has probably wondered ... “But it’s definitely not because your cat is sad.” Allergies are not as common in cats as they are in dogs ...

Tears help you express feelings and manage pain, but they also protect and lubricate your eyes. Difficulty crying ... you're more likely to feel sad, hopeless, or isolate yourself completely ...

The Terrapins were sad that they lost the fight to No. 1 South Carolina in the Sweet 16 but proud of the fight they put up ...

Dogs can also cry happy tears, according to a study published today (August 22) in Current Biology. Although the animals’ eyes don’t overflow, they well up when they’re reunited with their owners ...