My son was 14 weeks old when he made his first unmistakable whole-body belly laugh. In the months that followed, his laughter was accompanied by playful provocations — grabbing my hair and shrieking ...

Babies in the West commonly lack a gut microbe that is found in infants in other parts of the world, which may be due to ...

The bony facial protrusion might be an evolutionary byproduct that resulted from changes to other parts of the skull, according to a new study ...

A new study explains how climbing down trees helped shape upright posture in early primates and changed the course of evolution.

One of the defining features of human evolution is the steady expansion of our brains. New findings suggest this growth may be partly linked to higher levels of estrogen before birth. Surprisingly, a ...

Long-term ingestion of patulin can cause immune suppression, nerve damage, headaches, fever and nausea, the FDA says.

Human newborns arrive remarkably underdeveloped. The reason lies in a deep evolutionary trade-off between big brains, bipedalism and the limits of motherhood.

Life doesn’t slow down, and neither does the way we eat. As schedules get fuller and routines more mobile, food has quietly ...

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

The evolution of the human species is marked by an increase in brain size. Now new research suggests that could be partly ...

Some think the rise of C-sections means that one day all births will require serious medical intervention. But a surprising new understanding of the pelvis suggests a different story ...

Dr. Mireault is a developmental psychologist at Vermont State University. My son was 14 weeks old when he made his first unmistakable whole-body belly laugh. In the months that followed, his laughter ...