When a new parent catches their baby smiling up at them for the first time, they’re sure to excitedly call everyone into the room. But nothing spoils the moment more than when a relative points out ...

Very few people can resist smiling at a newborn baby — signaling positive emotions, such as joy and interest. Of course, this is especially true for new parents. One study found that new mothers ...

Babies smile before they are born. That same sweet smile is the smile babies do in the first few weeks of life. It is called a reflexive smile. These smiles are random and spontaneous. They usually ...

Is there anything cuter than a smiling infant? Why yes, there is — a baby smiling in their sleep. Those tiny, twinkling baby grins were one of the many delights I experienced as a new mom. (My babies ...

Why do babies smile when they interact with their parents? Could their smiles have a purpose? In the Sept. 23 issue of PLOS ONE, a team of computer scientists, roboticists and developmental ...

Teddy Swims tells PEOPLE that fatherhood has affected him profoundly in just a few short months, reflecting on the beauty of ...

Mommies, take note: when your babies smile, it’s not just to react to you but to make you smile in return. They do so with great comic timing, performing the act while smiling as little as possible.

There are many kinds of smiles, each having a distinct character. Some announce goodness and sweetness, others betray sarcasm, bitterness and pride; some soften the countenance by their languishing ...