Authorities in Kenya have arrested a senior police officer responsible for the cell where a blogger died, leading to ...

Some doctors told him he'd live with the disease forever, but Khaled Alsheebani never stopped believing treatments would advance one day.

Memorial Sloan Kettering Cancer Center researchers have identified a metabolic switch that determines whether intestinal stem ...

Only a handful of stem cell therapies are currently approved by the F.D.A., mainly for treating blood cancer and immune ...