In mammals, signalling between the placenta and the embryo is essential for successful development. Here, a quantitative, time-resolved model describes the coordinated formation of the mouse embryo ...

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 ...

One of the first documents patients sign when starting in vitro fertilization asks them to consider the very end of their treatment: What would they like to do with extra embryos, if they have any?

For the first time, scientists have recorded a human embryo implanting into a womb in real time, a feat the researchers hope will lead to new ways to treat infertility and prevent miscarriages. "Being ...