A University of California, Riverside study reports that cells in the earliest stages of human development could be ...

Scientists have created human eggs containing genes from adult skin cells, a step that someday could help women who are infertile or gay couples have babies with their own genes but would also raise ...

How do our genes determine our appearance and our susceptibility to disease? This question is central to biomedical research, ...

A coalition of anti-abortion legislators is calling for an end to human embryonic stem cell research at the National ...

Add Yahoo as a preferred source to see more of our stories on Google. As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of species over the course of ...