RNA is usually portrayed as a molecule that works deep inside the cell, helping to turn genetic information into proteins. But new research led by Utrecht University scientist Jack Li shows that RNA ...

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 ...

Imagine if our bodies could grow new organs throughout our entire lives. Plants do this constantly, thanks to tiny, powerful reservoirs of stem cells. But how do these cells know when to divide, and ...

Scientists have uncovered a surprisingly simple “tissue code”: five rules that choreograph when, where, and how cells divide, move, and die, allowing organs like the colon to remain flawlessly ...

A new study reveals that nerve cells receive periodic infusions of mitochondria from neighboring cells — and this may point ...