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

You'd think we'd know everything there is to know about sexual reproduction. But as it turns out, there are still quite a few ...

On Earth human sperm tend to know where to go when it comes to fertilizing an egg in utero. But that may not be the case in ...

As commercial spaceflight draws ever closer and time spent in space continues to extend, the question of reproductive health beyond the bounds of planet Earth is no longer theoretical but now ...

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

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...