According to research from a team at the University of Utah Health and the University of Nevada, Reno School of Medicine, ...

New research shows how sperm RNA changes as men age, revealing a biological shift that may affect reproduction and child ...

Increasing paternal age has been linked to elevated health risks for the next generation, including higher risks of obesity ...

Hidden RNA signals in sperm reveal an "aging cliff" that could impact offspring health.

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.

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 ...

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 ...

Almost every type of human cell is powered by mitochondria, bean-shaped organelles that use oxygen to synthesize usable energy.* These structures evolved billions of years ago from free-swimming ...

A number of factors can play a decisive role in some couples' inability to conceive, which may lead them to turn to fertility treatments like IVF or IUI. But before couples get to that point, they ...