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

As humankind moves toward establishing a long-term presence on the moon and Mars, the question of whether reproduction is possible in extraterrestrial environments may no longer be merely hypothetical ...

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 ...

A trip to space could very well leave human male sperm stumbling about in the dark, chasing their tails. Researchers at ...

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

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 ...

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

New work from UC Davis and the University of Utah shows how the 3D structure of DNA inside a germ cell commits it to develop into a sperm cell. The discovery could improve understanding of fertility ...