Deep-sea creatures often look more like science fiction monsters than marine animals. The glass octopus is one such animal. The Schmidt Ocean Institute captured this footage of the incredibly rare ...

A new species of flapjack octopus, with massive eyes and blood-red tentacles, has been discovered from a deep-sea canyon off the coast of Australia. The new species has been named Opisthoteuthis ...

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 ...

Scientists say they have discovered what might be a new species of octopus while searching the Pacific Ocean floor near the Hawaiian Islands. On Feb. 27, a team found a small light-colored octopus at ...

Last year, speculative fiction author Ray Nayler published "The Mountain in the Sea," his first novel, depicting a not-too-distant future in which humankind is faced with an awe-inspiring (and deeply ...

Octopuses are widely known for their intelligence, including problem-solving, tool use, and complex hunting behavior. For years, that intelligence was thought to operate almost entirely in isolation, ...

When people think of intelligent animals, they immediately think of dolphins, elephants, and chimpanzees. But one of the most ...

Octopuses have often been thought to prowl the seafloor solo using camouflage. But a new study suggests that some have surprisingly rich social lives. A new study found that some members of an octopus ...