Utah startup says it grew human sperm in lab, creating embryos in early test of infertility breakthrough.

A sperm donor who claims to have fathered at least 180 children globally — described as a “shapeshifter” and a “highly ...

A prolific sperm donor who claims to have fathered 180 children around the world will not be able to have his name on one of ...

Paterna Biosciences says it has determined the set of instructions needed to turn sperm-making stem cells into "normal, ...

A judge said Robert Albon, who calls himself Joe Donor, has been running an illegal sperm donation business ...

Most men know stress can affect the libido. But they don’t realize stress may also affect sperm health. Here’s what men can ...

Now, scientists are taking control of that formula. The equation for making a human is not straightforward anymore. In a ...

Their newly tested contraceptive drug proved to be effective, safe, and reversible in male mice. Within six weeks of stopping ...

Sperm whales, which make clicking sounds to communicate, use different “vowels” in ways similar to human speech ...