video: The short, lop-sided smiles of baby Japanese macaques. When human and chimpanzee infants are dozing, they sometimes show facial movements that resemble smiles. These facial expressions -- ...

Babies can smile in the womb, even before they are born. A baby’s earliest smiles are reflex smiles, not an attempt to imitate or engage with adults. As babies grow, they develop more social skills ...

About a week after the birth, Freeman and his wife, Stephanie Murdock, noticed that the baby exhibited extreme fussiness, grimacing, clenched fists, and stiff arms and legs. Murdock, who was ...

CINCINNATI — An adorable video of a smiling baby with Down Syndrome who was recently adopted has gone viral. The Down Syndrome Association of Greater Cincinnati posted the heartwarming video of the ...

The great apes are the closest living relatives to humans. We share over ninety-eight percent of our DNA with some species of these creatures, and it’s valuable to think of ourselves as being more ...

When we think of the cutest animals of all time, sloths are somewhere near the top of the list. Heck, they might be number one. Have you ever seen a baby sloth? Okay, that's it. Baby sloths are the ...

As a parent of a newborn, much of your time is spent feeding, soothing and changing diapers. It may initially feel like a thankless job, but that changes when you see that first gummy smile appear.