Add Yahoo as a preferred source to see more of our stories on Google. A new study reveals that human blood stem cells age faster in orbit. (CREDIT: Shutterstock) For years, doctors and scientists have ...

Researchers have identified an unexpected mechanism that links age-related stress to the decline of blood-forming stem cells.

For decades, circular RNA was treated as little more than molecular background noise — stable fragments that accumulated in ...

Your body is like a busy city with construction crews working every day. These crews are your stem cells. They fix damage, keep everything running, and build new structures when needed. But as you get ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study maps aging across millions of cells, revealing coordinated changes, immune shifts, and key targets for slowing aging. ...

Traveling to space is brutal on the body. NASA’s pioneering study of the identical twin astronauts Mark and Scott Kelly tracked signals of aging in both men while Mark remained on Earth and Scott ...

Researchers from University of California San Diego Sanford Stem Cell Institute have discovered that spaceflight accelerates the aging of human hematopoietic stem and progenitor cells (HSPCs), which ...

As people grow older, their immune systems do not simply slow down, they often become locked into a simmering, self-perpetuating state of inflammation. Emerging work now suggests that aging immune ...