As humanity moves from brief space missions toward longer stays — driven by commercial ambitions for moon bases and eventual Martian settlements — scientists are beginning to confront how the ...

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 ...

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 ...