New 3D imaging reveals how sperm create spiral fluid structures that enhance propulsion, unlocking secrets of motion in microscopic swimmers.

Just because a sperm is a strong swimmer doesn't necessarily mean it has the right amount of DNA, Dr. Lisa Lee told Newsweek.

Los Angeles is set to host the world’s first ‘live’ sperm race on April 25. The one-of-a-kind event, hosted by Sperm Racing, ...

A sperm cell and an egg cell each contain half the ... Aristotle pointed out that some kids also look like their moms and grandmas, and that traits like grey hair showed up after somebody made ...

If you look at a mouse sperm cell through a microscope, as postdoctoral researcher Kristin Hook did hundreds of times while working in Heidi Fisher’s lab at the University of Maryland, College Park, ...

The hope is that the cells engraft into the spaghetti-like tubules of the testis and develop into mature sperm. “If it works, those stem cells should regenerate spermatogenesis,” says Kyle ...