Equally mysterious and beautiful, octopuses are captivating creatures. There are over 300 octopus species, and they thrive in every ocean habitat. Their soft bodies can rapidly change shape, allowing ...

Rearing the babies will provide scientists with a rare opportunity to learn about the typically deeper-water creatures ...

An Octopus cyanea hunts with a blacktip grouper on one side and a blue goatfish on the other. Octopuses don’t always hunt alone — but their partners aren’t who you’d expect. A new study shows that ...

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 ...

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 ...

This newly discovered species of octopus is a deep-sea shapeshifter with large eyes and blood-red tentacles. Sounds terrifying? Don’t fret: these strange little guys are smaller than a golf ball.

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 ...

Octopuses are widely known for their intelligence, including problem-solving, tool use, and complex hunting behavior. For ...

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 ...

Off the coast of the UK, fishermen and marine biologists are witnessing something not seen in generations. Sightings of the ...

Out of sight from visitors and school field trips, Birch Aquarium in La Jolla is quietly raising more than 3,000 tiny octopus ...

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 ...