A new study found that an ancient, odd-looking creature used shells to protect itself long before the hermit crab, a remarkable discovery that scientists say is the earliest example of the hermit life ...

Hermit crabs move into other animals’ discarded shells as shelter, because the ocean is a treacherous place, full of hungry predators. Half a billion years ago, another creature evolved the same ...

COURTESY BOB LEINAU Cone snail shell with worm holes. Another borer that really is a worm is the bone-eating snot flower, a gelatinous creature with plume-bearing gills and rootlike tendrils that ...

Hermit crabs were far from the first to call other creatures' discarded shells their own — fearsome 'penis worms' did the same thing 500 million years ago, a study found. Researchers led from Yunnan ...

In October 2014, the suspicion arose that the parasite worm Polydora websteri had found its way to the Wadden Sea. Following years of research, that suspicion has now been confirmed: the worm, that ...