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 ...

Scientists have developed an experimental way to study how human embryos implant in a uterus, which may provide new insights into why miscarriages occur and how they can be prevented.

The earliest days after fertilization, once a sperm cell meets an egg, are shrouded in scientific mystery. The process of how a humble single cell becomes an organism fascinates scientists across ...

By engineering a system replicating the womb lining with high biological accuracy, researchers at the Babraham Institute and ...

Catholic Bishops in the United States and Australia continue to speak out in clarification of what constitutes ethical stem cell research as they respond to a new study which, they say, contains ...

Roughly 50 years ago, scientists pursued a line of inquiry about the creation and development of human embryos in the lab. As of now, the extent of this research is limited to the first 14 days ...

A new tool allows parents undergoing in vitro fertilization to screen their embryos for health issues, but is it ethical? Genetic disease is believed to be linked to 41 percent of U.S. infants' deaths ...