See more of our trusted coverage when you search. 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 ...

Fredrik Lanner researches the developmental stages of the human embryo and how embryonic stem cells can be used for future ...

As an embryo develops from a small cluster of stem cells, those once "blank slate" cells begin to take on more specialized ...

Embryonic development, also known as embryogenesis, is a cornerstone in understanding the origins of life. But studying this marvel of intricate and layered biological processes in people faces ...

To better understand the effectiveness of infertility treatment, it is necessary to study the processes that occur during the first week of embryonic development. At this stage, the embryo begins to ...

Embryo fragmentation is a common finding during IVF, but it does not always mean an embryo cannot result in a healthy ...

Magdalena (Magda) Zernicka-Goetz, today a developmental and stem cell biologist at the University of Cambridge and California Institute of Technology, recalled being an artistic child who enjoyed ...

A discovery upends decades of assumptions regarding DNA replication. The study show that DNA replication in early embryos is different from what past research has taught, and includes a period of ...

A popular vanilla flavoring in e-cigarettes may interfere with some of the earliest steps of human development. In lab ...