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

Having a baby in space may require a bit more direction, with new Adelaide University research revealing the navigational ...

Sperm may lose their ability to navigate in microgravity, raising new questions about whether human reproduction is possible in space.

A new study suggests humans face barriers to reproducing in space, with microgravity disrupting sperm movement.

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

Having a baby in space may be far more complicated than expected, as new research shows sperm struggle to find their way in microgravity.

As the United States announced plans to build a residential base on the Moon within 10 years, a study has emerged suggesting ...

The following references illustrate the fact that a new human embryo, the starting point for a human life, comes into existence with the formation of the one-celled zygote: "Development of the embryo ...