Did you know that there are certain deep sea animals combing the ocean’s depths that look more like sci-fi creatures from ...

Scientists on a research expedition in the Southern Ocean captured the first footage of a living Gonatus antarcticus squid.

is a bioluminescent creature that turns bright blue when it bumps against other objects and animals. It lives between 2,300 and 3,300 feet (700 to 1,000 m) deep. Sea pigs (Scotoplanes) are a group ...

During their brief encounter, the researchers used a laser to measure the squid's size and observed its behavior in the wild.

The deep sea is full of surprises, hiding creatures that look like they belong in a sci-fi movie rather than our oceans.

Scientists are unraveling the mysteries of the ocean’s squishiest creatures—including one jelly that might be the oldest ...

To survive the deep ocean, sea creatures need all kinds of adaptations that give them alien-like appearances, like huge eyes and needle-like teeth.

Creatures such as these sea urchins serve as deep-sea recyclers that break down bits of dead plants and animals that settle on the seafloor and make nutrients available to other organisms.

Some of the world’s most fascinating creatures live underwater. And unlike the more mainstream animals under the sea — seahorses, sharks, and even deep sea anglerfish — one cool member of th ...

A rare deep-sea creature, sometimes called a "doomsday fish," made a mysterious appearance on a remote beach in Tasmania, and ...