SAN JUAN, Puerto Rico — Puerto Rico’s governor on Thursday signed a bill that amends a law to recognize a fetus as a human ...

Constance Marten ’s baby was failed before she was born, a review has found. In September, Marten and Mark Gordon, her ...

The study of the gut microbiome of infants in nurseries revealed that peer-to-peer interaction during the first years of life ...

For the first time, scientists have recorded how baby dunnarts, tiny carnivorous marsupials from Australia, reach their ...

Captain Benjamin Sisko is among the most iconic Star Trek characters of all time, but Starfleet Academy retcons his origin ...

How popular is your day of birth? Celebrate the rarest birthdays—and the most common!

Many Christians believe that life begins at the moment of conception – egg and sperm come together creating the new, unique ...

T HE TEXTBOOKS are clear: in humans, pregnancy lasts an average of 40 weeks. But averages are just that. Many women find themselves at the end of that period without any sign of contractions. In those ...

Space is a toxic cocktail of radiation and weightlessness that is hostile to terrestrial biology. As missions stretch from ...

A growing legion of “zero trimester” influencers are convincing followers that healthy pregnancies are a choice—and that raw ...

The first 1000 days of life, which refers to the period of development from conception to age 2, have garnered widespread recognition in recent decades as the most critical window of child development ...

In cow-calf systems, many of the factors that determine productivity, fertility and longevity are set long before a replacement heifer ever enters the breeding pasture. The biological foundation of ...