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 ...

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

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

As commercial spaceflight edges closer to reality, astronauts spend more time orbiting Earth, and as we look to one day settle on Mars, questions about sex and reproductive health in space need to be ...

Researchers have captured the very first real-time, three-dimensional images and videos of a human embryo implanting into synthetic uterine tissue—revealing a key stage in reproduction. The resulting ...

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 ...

Wild animals that have acquired adaptions to maximize their reproductive output in some of the world's most extreme conditions may provide answers to some of the most pressing problems in the field of ...