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

The hectocotylus is both a reproductive and sensory organ, Harvard scientists and others have found. Octopuses are some of ...

For two decades, a team of researchers cloned mice from successive generations of clones until the new clones were no longer ...

Sex education has been taught in schools for decades and it has had some success. But the Epstein Files reveal the problem ...

Both laws erase trans, intersex, nonbinary, and Two-Spirit people in Montana “from cradle to grave,” out trans state ...

Ducks with corkscrew penises, fish changing sex – what do we really know about sex and reproduction on Earth? Less than we ...

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 things we picked up that aren't exactly true, and we're here to correct ...

A St. Charles man accused of secretly recording dozens of women and girls without their knowledge has been ordered held in ...

Even back then, scientists were puzzled. Many prediction models suggested this fish shouldn’t survive beyond roughly 10,000 ...

University of Missouri researchers have shown how an all-female fish species called the Amazon molly defies the long-held ...

While humans often struggle to find a partner who is both physically attractive and a reliable co-parent, yeast may already have cracked the formula for the perfect match. When choosing mates, these ...

TOKYO -- Sexual reproduction is essential for mammals to eliminate harmful genetic mutations that build up through cloning, a ...