"These cells co-develop together, just like they would in an actual embryo, and establish that history of being neighbors," ...

Molly Everette Gibson's embryo was frozen in October 1992 and thawed in February 2020 Rachel DeSantis is a senior writer on the music team at PEOPLE. She has been working at PEOPLE since 2019 ...

Evolution is the change in organisms over time that gives rise to new species. Development is the process by which a fertilized egg, or embryo, generates the cells, tissues, and organs of a new ...

Scientists have found a way to study early embryonic development without real embryos. Using CRISPR, they programmed stem cells to self-organize into structures mimicking early embryos. The cells show ...

What to know about mosaic embryos — with normal and abnormal cells — and the risks when undergoing IVF Julie Mazziotta is the Senior Sports Editor at PEOPLE, covering everything from the NFL ...

Research on human embryos is usually limited to the first 14 days of development, but as scientific capabilities improve, some argue that it is time to go further. Emilie is an assistant editor at the ...