Rare footage was captured just after sunset Monday, July 15, of glowing fireworms in Newport Harbor. The tiny worms lit up the dark water in a mating ritual, the females luring their mates with a ...

Finding a mate is hard in the animal kingdom! As these strangest animal mating rituals show, it sometimes gets even more ...

Male stolon (right hand side): one of the independent reproductive units of a branching marine worm, growing at the tip of a branch of the worm’s body. It has sprouted eyes and will go swimming free ...