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 ...

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

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

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

Add Yahoo as a preferred source to see more of our stories on Google. Fathers may carry traces of their childhood trauma in their sperm cells, a new study finds. The new research, published Jan. 3 in ...

Researchers often use a nematode worm called Caenorhabditis elegans (C. elegans) to study human genetics because at the molecular level, we have a lot in common with these organisms. Scientists used a ...