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.

Vaginal birth leads to changes in the development of offsprings’ microbiomes not seen among mice born via C-section, which researchers suspect might contribute to the weight differences.

One-third of babies who died of SIDS had higher-than-normal levels of the neurotransmitter in their blood serum, according to a study. 

Thirty percent of bacteria found in babies' guts came from mothers' milk, a study finds.

Study of 81 six-week-olds who were born by C-section or vaginal delivery didn’t show differences in the structure or function of their microbiota, despite contrary results from other studies on babies.