Jayda Martin tells PEOPLE about having the opportunity to surprise her mom with her sister and both of their newborn babies.

A 97-year-old Galapagos tortoise has given birth to four hatchlings and become the oldest first-time mother of her species, the Philadelphia Zoo said. Mommy and her similarly-aged partner, Abrazzo, ...

Mothers who gave birth to newborns with congenital heart defects were 17% more likely to ... than 3.5 million babies in Korea born with and without congenital heart disease (51.5% boys, 48.5% girls).

Our new study suggests that Megalodon newborns were possibly already 3. ... “The large neonatal size suggests that Megalodon gave live birth, and like all present-day lamniform sharks (a shark ...

Until several months after birth, mother and baby remain a single ... "Mother and offspring live in a biological state that has much in common with addiction. When they are parted, the infant ...