A psychologist explains the evolutionary and psychological roots of laughter, and what an infant’s giggles teach us about how adults bond.

Humor has always been subjective. Where some people prefer the physical comedy of Jim Carrey, others may find the dry approach of Albert Brooks preferable. Babies, of course, are not big on subtlety.

Add Yahoo as a preferred source to see more of our stories on Google. (Photo Credit: @wut_tha_hales / Instagram) A heartwarming video of a baby laughing to his heart’s content over his mom’s goofy ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photo Credit: @towhitneyandbeyond / TikTok) An adorable video of a baby’s reaction to her mom cooking has been capturing hearts ...

Since 2012, I have been studying laughing babies. The question I am most often asked—frequently accompanied by incredulous laughter—is “Why?” And sometimes, “Wouldn’t it be better to study what makes ...

It’s one of the best sounds in the world – your bub’s first giggle. When can you expect to hear it? Many babies will laugh out loud for the first time at around three to four months old but some bubs ...

New York City has an annual tradition of holiday nostalgia rides on 1930s train cars every December. I happened to be in one of these trains recently, and I found myself a seat next to what might have ...

Sometimes a laugh can add sunshine to a down day -- especially if it's one of those authentic, uncontrollable, body-shaking ones. After all, laughter is good for the mind, body and soul, no matter the ...

After losing her home to the devastating wildfires that have torn through Los Angeles, Molly Baz is doing what she can to make people smile. The cookbook author shared a video of pure joy on Instagram ...