About 9% of men of reproductive age in the United States experience fertility problems. One of the many causes of male ...

The history of testicular transplants is long and often sordid, but this successful procedure offers hope for survivors of ...

Although doctors have successfully transplanted everything from hearts to lungs to corneas, figuring out how to transfer ...

A team of researchers has reported a breakthrough in making sperm cell precursors in vitro that could be used in a number of ...

Once a sperm has broken through to an egg cell in order to fertilize it, the two cells need to hold together tightly. This occurs via a type of protein binding that is among the strongest in ...

A colony of human embryonic stem cells is seen on a computer monitor at the University of Wisconsin–MadisonDarren Hauck / Getty Researchers at Newcastle University in England report they have coaxed ...

A novel screening system developed at Kyoto University enables researchers to investigate sperm cell development and health at the molecular level. The new approach, published in Cell Genomics, ...

Add Yahoo as a preferred source to see more of our stories on Google. Fathers may carry traces of their childhood trauma in their sperm cells, a new study finds. The new research, published Jan. 3 in ...