Discover the bizarre and fascinating creatures inhabiting the ocean's dark depths. From the ear-finned Dumbo Octopus to the ...

When a blanket octopus swims, it creates a kaleidoscope of colors twirling underwater. It’s a rainbow of beauty as it glides through the sea. It’s gorgeous, and it’s almost never seen by humans in ...

With ear-like fins that flap gracefully through the water, the Dumbo octopus in this YouTube video looks like it waltzed straight out of an animation studio. But don’t let their cute facade fool you; ...

Rising human exploitation of the oceans is pushing ever further into regions that scientists increasingly suspect are full of conscious life. New research into creatures from sperm whales to octopuses ...

This rarely seen glass octopus bared all recently — even a view of its innards — when an underwater robot filmed it gracefully soaring through the deep waters of the Central Pacific Ocean.

Forget “sharknado” — this footage shows a new feat of nature. Researchers from the University of Aukland got a chance sighting of an octopus hitching a ride on the back of a shark, which they have ...

(CNN) — On a rocky outcrop almost 2 miles beneath the surface of the Pacific Ocean off Costa Rica, researchers have documented an active octopus nursery. It may be the third known example of a ...

The other known octopus nursery is about 3,200 meters (2 miles) below the ocean surface on the Davidson Seamount off the coast of Monterey, California, where thousands of octopuses cluster around a ...

The film My Octopus Teacher tells the story of a man who goes diving every day into the underwater South African kelp forest and forms a close relationship there with an octopus. That man — the diver, ...

Discussions about the ethics of eating octopus have recently emerged, inspired by the documentary "My Octopus Teacher," which highlights the intelligence and beauty of these remarkable creatures. At ...