A single kiss can leave a lasting impression, whether it's in real life or on the silver screen. But why, exactly?

Add Yahoo as a preferred source to see more of our stories on Google. With Valentine's Day around the corner, Susan Spencer asked: Is a kiss just a kiss? An evolutionary biologist says kissing is ...

A recent video on Instagram has been winning hearts for puppy smooches. Indeed, Barney, the canine, takes his job seriously as he turns a quiet wake-up call into a comedy of cuddles. The fluffy ...

By 7 News WHDH February 14, 2014 Sometimes the only way to express the passion of the Games is with a kiss. Check out these memorable kisses from Sochi by clicking here. Join our Newsletter for the ...