New insights into a sophisticated process that protects sperm cells has revealed a mechanism, similar to an immune system, ...

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 ...

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.

A study finds that brief immune stress in male mice can leave lasting metabolic and behavioral effects in offspring through ...

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 ...

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