Paterna Biosciences says it has determined the set of instructions needed to turn sperm-making stem cells into "normal, ...

Scientists have tried for decades to produce human sperm outside the body. A Salt Lake City company says they’ve succeeded – ...

Paterna Biosciences said it has mastered the molecular signals that teach stem cells how to mature into sperm for a promising ...

Now, scientists are taking control of that formula. The equation for making a human is not straightforward anymore. In a ...

Utah startup says it grew human sperm in lab, creating embryos in early test of infertility breakthrough.

A colony of human embryonic stem cells is seen on a computer monitor at the University of Wisconsin–MadisonDarren Hauck / Getty Researchers at Newcastle University in England report they have coaxed ...

Using Google’s AlphaFold, researchers identified the bundle of three sperm proteins that seem to make sexual reproduction possible. By Elizabeth Preston They’re the original odd couple: One is massive ...

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 ...