So-called zombie worms are eyeless, mouthless, bone-boring creatures that live inside decaying whale carcasses that have fallen to the ocean floor. The worms are surprisingly diverse and ...

Perhaps similar to hydrothermal vent worms, a juvenile becomes a male if it lands on a female and she releases a chemical, enticing it into her little coterie to do her reproductive bidding.

A bizarre new species of marine worm lacks a number of internal features common to other animals — including an anus, new research shows. The strange, pale-orange creature, scientifically known ...