It's commonly thought that sperm "race" to the egg, with the winner fertilizing it. But is this really the case?

A Yale-led research team has uncovered how a naturally occurring biological mechanism found in mammals is able to prevent sperm cells from interacting with an egg, preventing fertilization.

A new study has uncovered a mechanism that prevents egg and sperm binding, preventing fertilization, which opens a new avenue for fertility research.

One childless man’s journey through the sci-fi start-ups, DIY donor clubs, and group masturbation retreats attempting to save ...

A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

In a study of early embryonic development in primates, an international research team under the leadership of Berthold ...

Researchers from Osaka University found that TEX38 and ZDHHC19 co-localize on the plasma membrane of spermatids and mediate S-palmitoylation of ARRDC5, a crucial protein for spermatogenesis.

A new bill has been introduced in the Alabama Legislature that would classify human cloning as a felony. HB380, introduced by ...

A research team has uncovered how a naturally occurring biological mechanism found in mammals is able to prevent sperm cells from interacting with an egg, preventing fertilization. The discovery, ...

"Abnormal sperm formation impairs their ability to fertilize egg cells," explains Yuki Kaneda ... the findings from this study provide important insight into the causes of male infertility.