Humans living in space for months, years, or even generations will need to navigate sex in a zero-gravity world.

What are humanity’s fundamental motives, our most important goals? New work points to an interesting consensus among young ...

New study finds microgravity disrupts sperm and embryo development, raising concerns about human reproduction in space.

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 ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Discovered just over 60 years ago, extremophiles are bacteria, archaea, and eukarya that can survive in extremely salty, hot, cold ...

Turn on almost any news channel and you’ll see the same thing: endless loops of bombs falling, rockets streaking and ships exploding. The footage plays again and again like a highlight reel. But this ...

While Claude is only a few years old, the U.S. military’s ability to use it, or any other AI, did not emerge overnight. The effective use of automated systems depends on extensive infrastructure and ...

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 ...

Is the AI job-pocalypse here? Amazon's CEO doesn't think so. White-collar workers are worried. On Thursday, Block CEO Jack Dorsey announced plans to cut nearly half the company, bringing its staff of ...