Add Yahoo as a preferred source to see more of our stories on Google. A GIF showing a blue colored embryo implanting Scientists have for the first time ever filmed a crucial step that leads to new ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. What do the earliest stages of a pregnancy look like? Embryonic development has been extensively studied, but most of our ...

A new study using stem cell-based models has shed new light on how the human embryo begins to develop, which could one day benefit the development of fertility treatment. The study led by at the ...