You know when your baby is happy because they coo at you. When your baby is unhappy, they let you know with a loud wail. You may have even noticed that your baby’s cry sounds different from time to ...

Your baby's first year will be a flurry of changes -- and not just diapers. From the first smiles, gurgles, and coos to learning to say "mama" or "dada," babies love to communicate with their own form ...