A new study maps millions of cells across organs and shows how aging changes the body in coordinated and surprising ways.

Every day, your body replaces billions of cells—and yet, your tissues stay perfectly organized. How is that possible? A team of researchers at ChristianaCare's Helen F. Graham Cancer Center & Research ...

For the first time, tiny bits of plastic have been found in the body tissue of Pacific walruses, lodged in the animals’ muscles, blubber and livers. The findings, from a University of Alaska Fairbanks ...

Biologists discovered that mitochondria in different tissues talk to each other to repair injured cells. When their signal fails, the biological clock starts winding down. Aging can seem like an ...

In situ bioprinting, which involves 3D printing biocompatible structures and tissues directly within the body, has seen steady progress over the past few years. In a recent study, a team of ...