Stem cells can fight disease from the inside out. But not all treatments are created equal. By Mohana Ravindranath The promise of stem cell therapy is powerful. Scientists can draw versatile cells ...

Your skin is in a constant state of reinvention. Every month, your body sheds and regenerates its entire outer layer—a complete turnover powered by tiny, tireless stem cells. These same cells spring ...

Spaceflight is accelerating the ageing process in blood-forming stem cells vital to human health, according to a new study analysing samples from four SpaceX resupply missions to the International ...