It was long believed that the Dracunculus medinensis parasite, which causes guinea worm disease in humans, has a fairly simple life cycle: A person drinks water contaminated with copepods, or water ...

You’re not likely to witness a horsehair worm making its exit from a praying mantis, but if you do, it’s quite a sight. The spaghetti-like worm, under wet conditions, gradually wiggles out of its host ...

A brain-invading worm spread by rats and snails is making inroads into the United States. A study this week seems to show the ...

A group of scientists who set out to study sex pheromones in a tiny worm found that the same family of pheromones also controls a stage in the worms' life cycle, the long-lived dauer larva. The ...