WASHINGTON: As humankind moves towards the goal of establishing a long-term presence on the moon and Mars, the question of whether reproduction is possible in extraterrestrial environments may no ...

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

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

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

There are many potential causes of infertility, and it can be challenging to pin down just what the problem is when a couple is having trouble getting pregnant. Now, researchers show that a few key ...

Longer abstinence was linked to sperm DNA damage and poorer movement, which can reduce sperm’s ability to fertilize an egg.