Base editing in human embryos reveals that NANOG is the one gene required to form every body tissue. Cambridge’s landmark ...

Pipetting liquids into tiny test tubes, analyzing huge datasets, poring over research publications—all these tasks are part of being a scientist. But breaking this routine is essential. Time away from ...

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 ...

The “world’s oldest baby” has been born from an "adopted" embryo created in 1994. This week we welcomed a record-breaking baby to the world. Thaddeus Daniel Pierce, who arrived over the weekend, ...

In the wake of the Alabama Supreme Court decision establishing that frozen embryos can be considered children, some IVF clinics in that state have paused operations -- because discarding embryos is ...

Aneuploidy (the presence of an abnormal number of chromosomes) in embryos is a major cause of impaired embryo development, leading to conditions such as Down syndrome, as well as to pregnancy loss.

Synthetic human embryos — also called embryoid bodies, embryo-like structures or embryo models — mimic the development of “natural human embryos,” those created by fertilization. Synthetic human ...

Embryo development starts when a single egg cell is fertilized and starts dividing continuously. Initially a chaotic cluster, it gradually evolves into a highly organized structure. Scientists have ...