A genetic mutation that carries a 90% cancer risk has been passed on by an unwitting sperm donor to dozens of children, a ...

The investigation revealed that any children made from affected sperm will have the mutation in every cell of their body.

Harmful genetic changes in sperm become substantially more common as men age because some are actively favored during sperm production, new research has revealed. In a landmark study published today ...

Sperm are male reproductive (sex) cells. The word "sperm" can refer to spermatozoon (singular) or spermatozoa (plural). Sperm are tiny cells with an oval-shaped body and a long tail. They measure just ...

Male infertility is a major issue worldwide and its causes remain unclear. Now, an international team of researchers led by ...

While men may be able to have children much later than women, doing so could come with an increased risk of inherited disease for their children. Researchers from the Wellcome Sanger Institute have ...