Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. Penis ...

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 ...

The Cambrian period (543 million to 490 million years ago) brought the first great explosion of biodiversity to Earth, with the ancestors of practically all modern animals first appearing. One of the ...

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 ...

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 ...

To protect their vulnerable, soft bodies, hermit crabs have to scavenge for shelter—usually they nestle into a discarded shell, or something more creative like a doll head or a Lego. Scientists ...