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 ...

Scientists have used human skin cells to create fertilizable eggs capable of producing early embryos, an advance that could expand possibilities for fertility treatment, according to new research. The ...

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 ...

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 ...

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 ...

Scientists know surprisingly little about the molecular mechanics of how sperm fertilize eggs; only three proteins central to the process have ever been identified, all in mammals. A study in Science ...

Another hurdle has emerged that must be overcome for long-term space habitation and the colonization of Mars. On the 26th (local time), a team led by Professor Nicole McPherson from the University of ...