Most people have heard of stem cells. They are often described as "miracle" cells –ones that can grow into any other type of ...

Two small clinical trials revive hope for an old idea: Cells injected into the brain might replace the nerve cells that die in Parkinson’s disease. The studies, published April 16 in Nature, represent ...

Spaceflight makes certain human stem cells age faster, a new study has found, furthering scientists’ understanding of the potential effects of space exploration on the human body. Stem cells are found ...