Normally, it takes the waxing and waning of the moon to coax certain worms from hiding on the seafloor to mate. Out in the open, sex-inducing chemicals kick off a swirling dance that culminates in a ...

There is a type of sea worm that, believe it or not, detaches its own butt from the rest of its body which then swims off in search of a mate. But how this process occurs has always been a mystery, ...

GAINESVILLE, Fla. — If worms could talk, they might tell potential suitors, "I like the way you wriggle," complete with that telltale come slither look. But worms send their valentines via signals ...

Some do it horizontally, some do it vertically, some do it sexually, and some asexually. Then there are some organisms that would rather grow a butt that develops into an autonomous appendage equipped ...

Scientists used to think that hermaphrodites, due to their low position in the evolutionary scale, did not have sufficiently developed sensory systems to assess the "quality" of their mates. A new ...