Who hasn't seen it before: the view through the microscope in which a sperm penetrates an egg cell and fertilizes it. This fundamental step in procreation happens dynamically and seemingly without ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Scientists have used an ...

Early lab work shows reprogrammed skin cells can yield embryos, hinting at future infertility solutions but raising safety questions that demand more study. Infertility affects millions of people ...

Human bodies have to be built from a single egg cell that's fertilized by a sperm cell. Many rounds of cell division occur as the body is developing, and it seems that there are plenty of chances for ...

An unexpected discovery about fertilization from the University of Virginia School of Medicine reveals new insights on how sperm and egg fuse and could have major implications for couples battling ...

A new study found that microgravity simulated on Earth hindered sperm cell movement, egg fertilization and embryo development ...

PORTLAND, Ore. — Oregon Health and Science University has published new research that could represent a game-changer for fertility treatments. At the same time, an anti-abortion group is raising ...

What happens when a sperm and egg meet? Scientists know surprisingly little about the molecular mechanics of fertilization; only three proteins central to the process have ever been identified, all in ...

WASHINGTON — A procedure that encourages an egg to begin embryo development without being fertilized could suggest a new way to produce stem cells, at least for certain patients. Researchers were able ...

A simplified model describing the mutual gamete activation during double fertilization in Arabidopsis. Before fertilization EC1 proteins accumulate in secretory vesicles of the egg cell (A). Likewise, ...