Add Yahoo as a preferred source to see more of our stories on Google. Parasites do very well for themselves, which is why they are so common in the animal kingdom. Geoffrey Read, CC BY If you're an ...

We all know about hermit crabs, the resourceful crustaceans that seek refuge in borrowed shells to guard against predators. But a study published in the journal Current Biology on Monday revealed that ...

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 ...

Penis worms earned their goofy name, thank you very much. They might resemble a private part of the body, but don’t hold that against them. They’re fascinating marine worms that have now written a new ...

Hermit crabs have been taking shelter in abandoned shells for millions of years, but scientists now have evidence suggesting that the “hermit” lifestyle has existed far longer than that. Besides ...

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 ...

A dozen twists of a knife were all it took to tarnish the unblemished reputation of Washington’s oysters. It was 2017, and Teri King, an aquaculture specialist for Washington Sea Grant, a ...

If you’re an oyster lover, seeing a shaggy worm slither across your appetizer is revolting – even though such worms are harmless to people. An internet search using the keywords “oyster” and “worm” ...

A dozen twists of a knife were all it took to tarnish the unblemished reputation of Washington’s oysters. It was 2017, and Teri King, an aquaculture specialist for Washington Sea Grant, a marine ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In the depths of ...

If you're an oyster lover, seeing a shaggy worm slither across your appetizer is revolting—even though such worms are harmless to people. An internet search using the keywords "oyster" and "worm" will ...