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

A walker spotted the remains of a seven-arm octopus, the world's largest octopus species, at Forvie National Nature Reserve ...

A deep-sea octopus nursery, just the third known to exist, has been discovered off the coast of Costa Rica, according to the Schmidt Ocean Institute. Scientists were able to see an active octopus ...

Researchers with the Ocean Exploration Trust were exploring the ocean floor of the Papahānaumokuākea Marine National Monument when they found it A livestream of a deep sea expedition caught a ghostly ...

WASHINGTON (AP) — Most octopuses lead solitary lives. So scientists were startled to find thousands of octopus huddled together, protecting their eggs at the bottom of the ocean off the central ...

OCEAN FLOOR — When a professional diver approached an octopus amid coral and fish, the creature had a "hand" to give — or ...