Associated Press WriterWASHINGTON (AP) -- Cloning human beings for the purpose of reproduction is medically unsafe and should be banned but cloning to treat diseases should be allowed, a National ...

For a long time, having children has been a young person’s game. Although ancient records are sparse, researchers estimate that, for most of human history, women most typically conceived their first ...

Researchers reveal that the guinea pig pre-implantation embryo is very similar to the human embryo, spurring a better understanding of infertility and early human development. CRCHUM researcher Sophie ...

The menstrual cycle plays an essential role in human reproduction. However, most other animals don't experience menstruation. So, which other species have periods, and what's the evolutionary point of ...

People have a complicated relationship with other species. Sometimes we treat them as livestock and prey, sometimes we treat them as laboratory experiments, and sometimes we treat them as family ...