The microbial makeup of a newborn baby’s intestines has changed dramatically over the past 100 years, and we are now beginning to understand how and why this matters.

Using DNA data, researchers track family dynamics in Europe over the last 500 years and find socioeconomic status is related to married women having a child with a man other than their husband.

The successful delivery spells hope for the related northern white rhino, which is facing extinction.

A trial called BabySeq, in which researchers performed genomic sequencing on 159 newborns, identified children susceptible to diseases that regular screening doesn’t look for.

Scientists have found the 99-million-year-old remains of a baby snake.

MRI data suggest prenatal exposure to the medication increases the volume of brain regions vital to processing emotions.

Alterations to a protein involved in breathing may help explain some cases of sudden infant death syndrome, a study finds.

Infants whose moms received the shots when they were pregnant were no more at risk of dying or being hospitalized than other babies. 

The baby cephalopod looks and behaves like an adult from the moment it emerges from the egg.