Stem cells

Human excreta could be a powerful source of cells to study disease, bypassing some of the problems of using stem cells, such as the risk of developing tumors and difficulties in obtaining blood samples from children

If stem cell tools can make drug development more efficient, it could arrest the decline of industry funding in neurological conditions, where drug development has proved especially expensive and tricky

The connection between mother and child is ever deeper than thought

An ambitious researcher wrestles with some of the grand challenges of neural development

Biologists have coaxed cells to form a retina, a step toward growing replacement organs outside the body

The achievement is the latest success in the relatively new field of regenerative medicine

The 2012 Nobel Prize in Physiology or Medicine was awarded jointly to John B. Gurdon and Shinya Yamanaka for the discovery that mature cells can be reprogrammed to become pluripotent

Observing signaling molecules before they leave a cell could give researchers insights into how cells in our bodies influence one another

A new study offers proof that stem cells can reconnect the inner ear to the brain

Stem cell treatment could lower inflammation levels and demonstrate whether autism is an autoimmune disease

The When Harry Met Sally screenwriter recently succumbed to this enigmatic form of cancer, but there are new treatments in the pipeline

Scientists have coaxed induced stem cells to form functional liverlike tissue in a petri dish