The rare creature, called Haliphron atlanticus, was seen by the Monterey Bay Aquarium Research Institute's biodiversity and ...

Almost a half-mile below Monterey Bay's surface, California scientists recorded rare footage of a seven-arm octopus eating a red, bioluminescent jellyfish last month.

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

Dr. Lauren Smith, a marine biologist at research organization Saltwater Life, called the flotsam “an extraordinary find,” ...

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 ...

Scientists have discovered at least four new species of octopus in the deep waters of a 100-square-mile area near Costa Rica, officials from the Schmidt Ocean Institute said on Tuesday. An ...

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 ...