A new AI-powered technology is locating sperm cells in men who were told they had none – and giving couples who have been trying for years another chance at having children.

Researchers at the Columbia University Fertility Center reported the first successful pregnancy using an AI-guided method they developed to recover sperm in men with azoospermia, in which ejaculate ...

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

Human sperm have long been a subject of fascination—not just for their role in fertilization, but for their remarkable ability to navigate through some of the most viscous environments in the body.

After trying to start a family for nearly two decades, a couple has conceived with the help of researchers at the Columbia University Fertility Center. The case is described in a research letter ...

When analyzing spermatozoa in semen microscopy, several parameters are assessed to evaluate male fertility and reproductive ...

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 ...

A San Francisco biotech start-up races sex cells on tiny tracks. Can an internet joke become a serious business?