Floating in near-weightless conditions can be disorienting for even the most experienced astronauts. Male reproductive cells—sperm—also seem to get confused in simulated microgravity, which has ...

Researchers put human sperm into a microgravity simulation chamber designed to mimic the female reproductive tract and tested ...

A new study by NASA scientists explores the risks and challenges of human reproduction in space, especially for long missions ...

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

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

While space agencies are making significant preparations for long-term missions to the Moon and Mars, a fundamental human ...

For a long time, having children has been a young person’s game. Although ancient records are sparse, researchers estimate that, for most of human history, women most typically conceived their first ...