Nonetheless, these datasets can be compared to give scientists an idea of what an embryo looks like as certain genes are switched on. Looking forward, Royer and colleagues are working on ...

The Weizmann Institute team say their "embryo model", made using stem cells, looks like a textbook example of a real 14-day-old embryo. It even released hormones that turned a pregnancy test ...

And because scientists don’t have a great idea of what a nine-day-old embryo looks like inside the body, Greely said, they don’t actually know for certain whether the models are developing ...

The initially free expansion of the embryo is inhibited at a certain point by contact with the seed coat. This leads to the formation of folds and borders. It turned out that embryos do not simply ...

Scientists on Tuesday announced the discovery of an exquisitely preserved dinosaur embryo from at least ... “This little prenatal dinosaur looks just like a baby bird curled in its egg, which ...