The human body feels solid and unchanging from one day to the next, but at the cellular level it is in constant motion.

The human body replaces an estimated 330 billion cells each day while continuously rebuilding tissues and molecules. Most of ...

Add Yahoo as a preferred source to see more of our stories on Google. Single kidney tubule in cross section, magnified x250. (Ed Reschke/Getty Images) To properly understand aging, we have to ...

The cells of our body are frequently exposed to hazards that can damage them, cause them to malfunction or kill them. Yet ...

Cells bumping against one another use electricity to identify which of their neighbors has the least energy to expel them. The King's College London study in partnership with the Francis Crick ...

Scientists have built a massive cellular atlas showing how aging reshapes the body across 21 organs. Studying nearly 7 million cells, they found that aging starts earlier than expected and unfolds in ...

Every cell in the human body carries the same 3 billion letters of DNA, yet a neuron, a heart muscle cell and a pancreatic beta cell each use that shared code to do entirely different jobs. How cells ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Electrically stimulating key cells in the immune system could ...

Pregnancy can leave fetal cells inside a mother for decades, potentially influencing tissue repair, immunity, disease and ...