Health officials on Friday confirmed bird flu in a California child — the first reported case in a U.S. minor. The child had ...

Using tissues from 49 healthy women undergoing breast reduction surgery, Navin’s team studied the epithelial cells that line ...

The Human Cell Atlas project maps human cells to understand biology, address global health disparities, and advance ...

A section of mouse intestine with colored fluorescent tags under a microscope. Image: Michael W. Davidson/Florida State University/Zeiss Microscopy At a glance: Scientists mapped gene expression and ...

Breast tissue contains normal cells with genetic changes found in invasive breast cancers, which may guide future approaches ...

Researchers have pinpointed what could be the early genetic origins of breast cancer -- cancer-like mutations appearing in the cells of healthy women. In a new study, the international collaborators ...

A new study finds that, in healthy women, some breast cells that otherwise appear normal may contain chromosome abnormalities typically associated with invasive breast cancer. The findings question ...

The most comprehensive map of the developing human thymus sheds light on how immune responses are built and maintained at ...