What happens when an octopus jumps on a shark for a ride around town? A "sharktopus," of course.The rare sighting, captured ...

With ear-like fins that flap gracefully through the water, the Dumbo octopus in this YouTube video looks like it waltzed ...

A Casper octopus photographed deep underwater. Discovered in 2016, this is the first time this rare octopus species—yet to receive its scientific name—has been seen in the Southern Pacific.

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 rare species of octopus, known as a "Dumbo" octopus, was spotted about a mile below the surface of the Pacific Ocean near Hawaii.

A new species of octopus may have just been discovered off the coast of Costa Rica. It was found in a rare brooding site that marks only the third octopus nursery known to exist in the world.

The Casper octopus was observed at a depth of 4,443 meters, almost three miles below the ocean's surface. The mission also yielded a remarkable first—capturing camera footage of a live ...

Researchers have documented an active octopus nursery, where hundreds of the deep-sea creatures cluster together to brood their eggs. CNN values your feedback 1.