Sea spiders don't do anything by the book, and researchers have just gotten to the bottom of how they breathe.

Sea spiders occupy marine habitats the world over, in both deep and shallow waters. But until now, scientists were not able to pinpoint the mechanism that allows them to breathe underwater in the ...

The Japanese spider crab is happy to welcome you to 300 ... Look, here comes a blobfish! This thrilling deep-sea fish was voted the world's ugliest animal by the Ugly Animal Preservation Society.

Sea spiders can regrow body parts after amputation and not just limbs, according to a study released on Monday that may pave the way for further scientific research into regeneration.