It’s just like coach used to say: practice makes perfect. Recent research suggests that regular masturbation and/or sex can ...

A team of researchers has reported a breakthrough in making sperm cell precursors in vitro that could be used in a number of applications, such as identifying infertility mechanisms and technologies ...

Longer abstinence was linked to sperm DNA damage and poorer movement, which can reduce sperm’s ability to fertilize an egg.

India, March 17 -- Selfish chromosomes bias genetic inheritance by manipulating the overdrive (Ovd) gene, a natural sperm quality control checkpoint.

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 ...

Researchers at Newcastle University in England report they have coaxed the first human sperm cells from embryonic stem cells, in a remarkable demonstration of how quickly the field of stem-cell ...

Sperm cells are known to prefer cooler temperatures. For quite some time, a puzzling question for scientists has been: how do temperature-sensitive swimmers actually operate effectively within the ...

Blue sperm whales have only become as large as they are in response to long-term exposure to environmental factors - long-term, but really quite short-term compared to how long their kind, including ...