PADRE ISLAND, Texas – The image below may look like a long rope covered in seashells or a unique shell, but according to Padre Island National Seashore, that’s not the case. At first glance, this ...

They were once the rocky abode of a burrowing worm, and are normally found at sea not on the beach ...

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 ...

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 ...