Rounds of trial-and-error exploring the layer of cells covering the ovary leave open questions about stem cells that are associated with ovarian cancer.

Mechanical signals point mesenchymal stem cells down a particular differentiation path, but not all cells follow the lead.

How stem cells in human teeth respond to different environmental conditions offers clues for regenerative medicine.

Personalized stem cells improved motor symptoms and depression signs in monkeys modeling Parkinson’s disease, paving the way for trials in human patients.

Smoking during pregnancy changes marks on placental DNA, altering its responses to environmental stressors.

Low doses of continuous penicillin exposure altered mouse pups’ microbiomes and gene expression in brain areas associated with emotional and cognitive function.

All antibodies against SARS-CoV-2 found in breast milk neutralized the virus.

The herpes virus hitches a ride to the nuclei of neurons from a surprising source.

Probing the protein landscape in lung cancers reveals new therapeutic insights.

Microclots in blood plasma may be behind Long COVID’s chronic symptoms.

More and more people who have never smoked tobacco are developing lung cancer. A new genomic analysis revealed that an accumulation of natural mutations led to the disease.

An overgrowth of bacteria in the gut predicted brain injury in preemies.