A Texas genetics company working to bring back the woolly mammoth says it’s a step closer to reviving another famed extinct species: the dodo. Dallas-based Colossal Biosciences Inc. said Wednesday it ...

Last week de-extinction company, Colossal Biosciences, announced it is one step closer to reviving the dodo bird. The breakthrough achievement comes after the company successfully grew pigeon ...

Infertility affects approximately 1 in 6 people in their lifetime worldwide according to the World Health Organization (WHO). Infertility —as defined by the American Society for Reproductive Medicine ...

New work from UC Davis and the University of Utah shows how the 3D structure of DNA inside a germ cell commits it to develop into a sperm cell. The discovery could improve understanding of fertility ...

Researchers at Newcastle University in England report they have coaxed the first human sperm cells from embryonic stem cells, in a remarkable demonstration of how quickly the field of stem-cell ...

Because the science is hard and the politics mean, progress in understanding human pluripotent cells has been slow. Biologists first trumpeted their discoveries of human embryonic stem cells (hESCs) ...

In human cells, DNA carries chemical or "epigenetic" marks that decide how genes will be used in different tissues. Yet in a ...

Researchers at the MRC Laboratory of Medical Sciences (LMS) and Imperial College London have shown for the first time that, before they can start developing into egg and sperm cells, the embryonic ...