

Leftover embryos challenge fertility clinics, couples
Tens of thousands of embryos are stuck in limbo in fertility clinics, leftovers from pregnancy attempts and broken dreams of parenthood....


Breakthrough as scientists grow sheep embryos containing human cells
Growing human organs inside other animals has taken another step away from science-fiction, with researchers announcing they have grown...


UK scientists edit DNA of human embryos
The blueprint for life - DNA - has been altered in human embryos for the first time in the UK. The team at the Francis Crick Institute...


Prospect of Synthetic Embryos Sparks New Bioethics Debate
An “embryoid” created from stem cells shares key features with a real human embryo, like an amniotic sac, but lacks other elements. Yue...


First Human Embryos Successfully Edited in the US
The first known attempt at creating genetically modified human embryos in the United States has been carried out by a team of researchers...


U.S. panel gives yellow light to human embryo gene editing
Editing the DNA of a human embryo to prevent a disease in a baby could be ethically allowable one day—but only in rare circumstances and...
New tool allows researchers to reproduce conditions of embryonic development in lab
An interdisciplinary team of developmental biologists and engineers at the Francis Crick Institute and the University of Maine have...
Embryo protein may warn before miscarriage and pre-eclampsia
It’s a sticky business. Scientists have uncovered how embryos stick to the uterus in the first week of life. The discovery might one day...