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

Sperm cells have a monumental task, but their days are numbered. From the moment they're made in the testes to the time they may spend winding their way up the labyrinthine of the female reproductive ...

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 and stillbirth. But what drives this increased risk remains unknown.

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 ...

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 ...

Last fall, a plane took off from Ottawa, Ontario, with some unusual cargo: a collection of nonviable human embryos and eggs.

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

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 ...