CHICAGO (Reuters) - U.S. researchers have found a way to coax human embryonic stem cells to turn into the types of cells that make eggs and sperm, shedding light on a stage of early human development ...

The embryos weren’t used to try to establish a pregnancy, but the researchers behind the technique say it could one day be ...

Harmful genetic changes in sperm become substantially more common as men age because some are actively favored during sperm ...

Early lab work shows reprogrammed skin cells can yield embryos, hinting at future infertility solutions but raising safety ...

Harmful genetic changes in sperm become substantially more common as men age because some are actively favored during sperm ...

The report of sperm cells created from skin cells may appear amusing at first blush. I was certainly guilty of a reflexive guffaw, which was promptly replaced by shame as I realize what it meant for ...

WASHINGTON (Reuters) - Stem cells taken from the bone marrow of men can be coaxed into something that resembles an immature sperm cell, researchers working in Germany said on Friday. Sign up here.

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 ...

In a proof-of-concept experiment, scientists demonstrated that you can create and fertilize human eggs in the lab using sperm ...

New research shows it's possible to reprogram skin cells into eggs that can be fertilized in the lab, though it's just a ...