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

Sperm cells have a monumental task, but their days are numbered. From the moment they're made in the testes to the time they may spend winding their way up the labyrinthine of the female reproductive ...

A new study found that microgravity simulated on Earth hindered sperm cell movement, egg fertilization and embryo development ...

Having a baby in space may sound like science fiction, but scientists are now studying whether it could actually work. New research suggests that one major challenge could be helping sperm find their ...

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

Researchers found that microgravity impairs sperm navigation without affecting speed, reducing fertilization rates and ...

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