A Science study reveals how human ovaries age, explaining why female fertility declines so fast and how the biological clock ...

An international team of scientists has unveiled the most comprehensive model yet that explains how cells control the flow of ...

Researchers have created human embryos by taking nuclei from ordinary skin cells, placing them into donated eggs, and ...

Before cells can divide, they first need to replicate all of their chromosomes, so that each of the daughter cells can ...

Experts break down how flucuating hormones during the last two weeks of your cycle impact your skin, and the ways you can ...