Add Yahoo as a preferred source to see more of our stories on Google. A human embryo model generated from reprogrammed stem cells by the lab of Magdalena Zernicka-Goetz, the Bren professor of biology ...

For decades, scientists knew that male embryos in many mammal species—such as cows, mice, and even humans—tend to grow faster than female ones. But no one really knew why. The new study, published in ...

(NewsNation) — For the first time, scientists have successfully created human eggs from skin cells that can be fertilized. This groundbreaking study could transform fertility treatment and expand ...

STANFORD, Calif. (KGO) -- In the Camarillo bioengineering lab at Stanford, engineers measure impacts both big and small. And that ability can help in research as far ranging as preventing concussions ...

Scientists are exploring ways to mimic the origins of human life without two fundamental components: sperm and egg. They are coaxing clusters of stem cells – programmable cells that can transform into ...