Scientists grow whole model of human embryo, without sperm or egg
The research helps understanding of the earliest moments of life and the reasons behind infertility.
Synthetic human embryos created in groundbreaking advance
Exclusive: Breakthrough could aid research into genetic disorders but raises serious ethical and legal issues
The first embryos from a mammal have now been grown in space
Mouse embryos in space can develop into clusters of cells called blastocysts. The result is a step toward understanding how human embryos will fare.