An international team of experts in embryology and bioethics has published the first white paper on the use of embryonic ...

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 ...

The team observed the emergence of the three-dimensional embryo-like structures under a microscope in the lab. These started producing blood (seen here in red) after around two weeks of development - ...

Chinese researchers have mapped the world's first complete spatiotemporal gene expression atlas of human embryos during the critical organ-forming period from four to eight weeks post-fertilization.