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

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.

WASHINGTON (Gray News) - President Donald Trump nicknamed himself the “fertilization president” during a speech at a Women’s History Month event at the White House on Wednesday. While speaking of his ...

A new study identifies the defective function of CatSper, an ion channel controlling calcium levels in sperm, as a common cause of seemingly unexplained male infertility. CatSper-deficient human sperm ...