Scientists discover hidden DNA scaffolding that forms before genes activate, revealing life’s blueprint is built before it begins.

For decades, scientists viewed the genome of a newly fertilized egg as a structural "blank slate"—a disordered tangle of DNA waiting for the embryo to wake up and start reading its own genetic ...

Frozen embryos are filling storage banks around the world. It's a struggle to know what to do with them. Lisa Holligan already had two children when she decided to try for another baby. Her first two ...

Scientists are exploring ways to mimic the origins of human life without two fundamental components: sperm and egg. They are coaxing clusters of stem cells – programmable cells that can transform into ...

cases and I.V.F. disputes, the frozen embryos vials like these will hold are increasingly caught The Embryo Question is a three-part series about the cluster of cells at the crossroads of science, ...

It’s not always easy to choose whether to store, donate or discard extra IVF embryos. This article first appeared in The Checkup, MIT Technology Review’s weekly biotech newsletter. To receive it in ...