For example, right before females ovulate — when estrogen reaches its peak — they tend to be more physically active. The ...

Human aging is not what natural selection failed to prevent. It is what happens when selection simply has nothing left to act ...

New technologies could reimagine baby-making as we know it. But will they actually replace tried-and-tested (and enjoyable) ...

Alumna, author and machine learning expert Vivienne Ming explains why the best defense against AI's downsides is investing in ...

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A new frontier in space exploration presents a critical question: can humans reproduce in a zero-gravity environment? Recent research conducted in Australia unveils daunting challenges that put a ...

A new study suggests humans may face serious barriers to reproducing in space, raising new questions about how future settlements beyond Earth could sustain life. Researchers found that simulated ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Angiostrongylus cantonensis—commonly known as rat lungworm—a parasite that can cause a form of meningitis in people, was ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Humans don’t have a defined mating season like deer or wolves. Here’s how evolution rewired ...

The question many mark: Will AI replace us, or more accurately, will some human beings replace others with AI? The corollary: What, if anything, makes humans irreplaceable? As artificial intelligence ...