Our immune systems weaken as we get older, making fewer cells that fight infection and help us recover from illness and injury. Scientists aren't completely sure why. They may have a better idea now, ...

Scientists at the University of California, Riverside, have discovered how adult stem cells retain their regenerative power.

Two new studies suggest that Parkinson's disease can potentially be treated with stem cells placed in a patient's brain.

As we age, blood stem cells, the essential source of new blood cells in the body, can accumulate genetic mutations.

Mitochondria play a crucial role in acquiring pluripotency and determining cell fate. The mitochondrial unfolded protein ...