Families with three or more boys, for example, are more likely to have another boy than a girl as the next child.

The genetic material from the donor makes up less than 1% of the baby born by using the experimental IVF technique.

Tuff defied the odds to become the youngest baby ever discharged from Wellstar Kennestone’s NICU. Now he’s two years old and ...

A foal belonging to Asia's last remaining wild horse is thriving thanks to an unexpected hero: a domesticated horse named ...

Behind the scenes, Smithsonian care teams welcomed four animal babies from three imperiled species: Hartmann’s mountain zebra ...

Before the twins, Jacqueline was already mom to two other children. She said that becoming a mom to twins has been a rewarding experience. "We have double the smiles, double the snuggles and double ...