For nearly a century, the colossal squid (Mesonychoteuthis hamiltoni), one of the ocean’s most mysterious giants, was known to science almost exclusively through dead specimens found in the stomachs ...

An elusive deep-sea squid species was caught on camera for the first time ever in a major breakthrough. National Geographic, on June 10, revealed the "history-making sighting" of a massive, three-foot ...

Scientists have filmed a never-before-seen species of deep-sea squid burying itself upside down in the seafloor — a behavior never documented in cephalopods. They captured the bizarre scene while ...

In the deep seas found at the Earth’s poles, explorers are still finding elusive and mysterious sea creatures. On an expedition in the Southern Ocean, researchers captured stunning video of the ...

Perhaps it was hiding from predators. Or trying to catch food. Then again, maybe it just wanted to be left alone. By Elizabeth Preston Like a scarf out of a magician’s sleeve, the squid appeared.