An army of king crabs that live 6,000 to 9,000 feet deep in the ocean is marching up the underwater slope toward the continental shelf of Antarctica. They appear to be invaders that could threaten the ...

A huge crab named Big Daddy is a part of the Guinness World Records list for being the “world's widest crustacean living in captivity.” The organisation took to Instagram to share a few images of the ...

King crabs, with their crushing claws and ecosystem-altering habits, have shown up in the warming waters of a deep basin in the Antarctic continental shelf, raising worries they'll hurt other species ...

There's a lot to marvel at on the rocky shore: from skulking shrimp and shiny sea snails to anemone filled pools and a plethora of tiny plankton. But there's an ongoing battle between these beautiful ...