Almost a half-mile below the surface of Monterey Bay, California, scientists recently recorded rare footage of a seven-arm octopus— only the fourth time the same research team has spotted the species ...

The deep-sea octopus is "rarely seen," per the Monterey Bay Aquarium Research Institute, which has only seen it four times in four decades Researchers collected detailed observations about the octopus ...

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 ...

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 ...

Enigmatic octopuses that have been newly discovered in the waters off Costa Rica add to a growing registry of deep-sea dwellers. When you purchase through links on our site, we may earn an affiliate ...

The deep ocean is about as mysterious as the depths of outer space, and it's home to some bizarre finds, from tiny angelic creatures to giant worms.