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 ...

Add Yahoo as a preferred source to see more of our stories on Google. I am a microbiologist, and my lab studies Toxoplasma. This new study bolsters emerging findings that underscore the importance of ...

Learn more about the DNA and RNA that sperm carry and how they may suddenly change during midlife.

When you buy through links on our articles, Future and its syndication partners may earn a commission. In addition to eggs, tissue cysts present in the meat of warm-blooded animals can spread ...

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 ...

Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm counts and quality since the 1940s. A more recent study found that male ...

Scientists say discovery may be linked to decades-long decline in sperm counts in men around the world ...

Tiny robotic swimmers, modeled after bacterial and sperm cells, could revolutionize medicine by enabling targeted drug delivery, minimally invasive procedures, and even fertility treatments. However, ...

Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm counts and quality since the 1940s. A more recent study found that male ...