A smile can be so contagious. You know how hard it is not to yawn after seeing someone else do it, so just imagine keeping a straight face when someone is smiling hard right at you. When someone is ...

Seeing animals happy makes others also feel happy. This is a given but there are some animals who have a naturally smiling faces. This may be because they have a certain face structure or eyes. After ...

We're helping you flex those cheek muscles on this International Day of Happiness with these 12 smiling animal photos. Click and beware: You're sure to flash a big grin!

Jo-Jo need not be erased from the tail of the Frontier Airlines Airbus 319. The grizzly bear cub might have been takeover fodder for Southwest Airlines Co. — painted over in orange, red and blue with ...