Researchers have captured the very first real-time, three-dimensional images and videos of a human embryo implanting into synthetic uterine tissue—revealing a key stage in reproduction. The resulting ...

The human brain experiences five distinct eras as we age, and each is defined by changes in our neural architecture that influence how we process information, new research shows. The brain changes ...

Millions of neurons branch throughout our bodies, keeping them in close communication with our brains. This peripheral network begins to take shape long before birth, as the cells of a growing embryo ...

Human brain cells, classified into different groups according to gene expression (each color represents a group), are mapped back to their original locations in the human brain. A detailed analysis of ...

Each year, National Geographic highlights a collection of the most compelling images captured by Nat Geo photographers over the past 12 months in their "Pictures of the Year." For 2025, Nat Geo ...

UCSF scientists have discovered a stem cell in the young brain that's capable of forming the cells found in tumors. The breakthrough could explain how adult brain cells take advantage of developmental ...