Since the start of the war, postmortem sperm retrieval was performed on 250 soldiers and security personnel and on 21 ...

In a series of remarkable experiments, scientists are pioneering new methods that could one day redefine the treatment of infertility. Approximately 10 million American adults of childbearing age face ...

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Harmful changes to DNA in sperm become more common as men age, with a greater risk of older fathers “unknowingly” passing on a genetic mutation to their offspring. Scientists say it is down to a form ...

Donor sperm can be accessed either through NHS-funded fertility treatment, for those who meet eligibility criteria, or by purchasing vials from a licensed clinic. Prices vary, but typically range ...

As we age, our cells accumulate DNA mutations. If any of these mutations confer a growth advantage to a self-renewing or long-lived progenitor cell, its lineage can expand. The progenitor cells that ...

While whiskey, real estate portfolios and emotional intelligence tend to improve with age, sperm does not. New research suggests that your spunk does indeed sour with time — at least in terms of how ...

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 ...