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 ...

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

New study finds microgravity disrupts sperm and embryo development, raising concerns about human reproduction in space.

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

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

Elon Musk's hopes of one day colonising other worlds might be nothing more than a pipe dream ...