New research shows sperm generate corkscrew-like fluid vortices that spin in sync with their tails, providing an unexpected ...

In an advance for treating male infertility, researchers transplanted a patient with his own sperm-forming stem cells that ...

Known as the cell’s engine, the mitochondria propels the sperm toward the egg, explained Dr. Houda Amor, a co-author of the ...

Related: Sperm cells carry traces of childhood stress ... "If we can find that sperm noninvasively, we can inject that single ...

It may seem unusual to discuss future fertility when a family is reeling from the diagnosis of a child’s cancer. But 85% of ...

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

A man in his early 20s has received the world's first sperm-making stem cell transplant in a new procedure that could be groundbreaking for infertility treatment. Until now, the procedure had ...

Research recently published by a Michigan State University scientist adds to the understanding of how mitochondria function during spermatogenesis, the process by which sperm cells are produced. Wang ...

A study from University of Michigan researchers has uncovered the mechanism behind the arms race for mouse X and Y bearing sperm to fertilize an egg, analogous to space races to reach the moon. “The X ...

Boys are born with stem cells inside spaghetti-like tubes in the testes, cells that start producing sperm after puberty ... a call that gave me the option to make the choice for myself today.” ...