Glowing sea animals use bioluminescence powered by luciferin to communicate, attract prey and defend themselves, turning the ...

One hundred years after its discovery, one of the largest, most elusive mollusks has been filmed alive in its natural environment for the first time. On a recent expedition near the Antarctic South ...

A rare Indian octopus squid, Taningia silasii, has been discovered in the Arabian Sea, marking a significant find for deep-sea research. This second s ...

The first confirmed live observation of the colossal squid (Mesonychoteuthis hamiltoni) in its natural habitat was taken by the remotely operated vehicle SuBastian on March 9 during a flagship ...

The colossal squid is the world's largest invertebrate, but the one in this video is a baby. The footage was captured by an underwater expedition near Antarctica. The colossal squid, a mysterious ...

Quick Take Sperm whales are the largest toothed whales and deep-diving predators, with a spermaceti organ used for sound ...

The vampire squid is a creature straight out of a gothic horror film. It lurks in the deep-sea abyss, cloaked in dark, webbed ...

A newly-discovered carnivorous sea sponge that looks like a perfect sphere—but covered in hooked teeth—is easily the weirdest ...

The deep-sea's midnight zone, a realm of crushing pressure and absolute darkness, harbors extraordinary creatures. These animals have evolved remarkab ...

The Gonatus antarcticus squid had previously only been identified through remains found in fishing equipment and other animals ROV SuBastian / Schmidt Ocean Institute Scientists on a research ...

What appeared to be tentacles washed up on an Aberdeenshire beach are the remains of a deep-sea creature called a seven-arm ...