Microgravity is disorienting, even for sperm cells. Some of the world’s wealthiest and most influential people remain deadset ...

Floating in near-weightless conditions can be disorienting for even the most experienced astronauts. Male reproductive ...

Space is big, empty, and apparently very confusing if you’re a sperm cell. According to a new study from the University of ...

WASHINGTON - As humankind moves toward the goal of establishing a long-term presence on the moon and Mars, the question of ...

Human sperm have long been a subject of fascination—not just for their role in fertilization, but for their remarkable ability to navigate through some of the most viscous environments in the body.

A team of researchers has reported a breakthrough in making sperm cell precursors in vitro that could be used in a number of ...

Scientists warn that storage may cause sperm to lose quality over time, raising new concerns about fertility and conception ...

A colony of human embryonic stem cells is seen on a computer monitor at the University of Wisconsin–MadisonDarren Hauck / Getty Researchers at Newcastle University in England report they have coaxed ...

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