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This rare deep-sea squid may trick predators and prey by sticking its head in mud

Learn about the deep sea squid that was found buried in mud, sticking its tentacles out to blend in with the environment.

In the ocean's 'twilight zone,' divers risk their lives in search of mysteries

For deep reef divers, descending into the ocean’s mesophotic layer can feel like exploring the moon. Discovering never-before ...