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

A comparison with the environmental settings and biological adaptations of nearly 6,000 terrestrial mammalian species demonstrates the profound advantages of human cultural adaptations.

Humans really do rule the world. We took over fast and far, more than any other wild vertebrates. We inhabit nearly every ...

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 ...

Scientists find genetic mutation, millions of years ago. Oct. 12, 2011 — -- About three million years ago human predecessors embarked on a new course that would forever alter the evolution of our ...

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What will humans be like generations from now in a world transformed by artificial intelligence (AI)? Plenty of thinkers have applied themselves to questions like this, considering how AI will alter ...

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 ...