A mother octopus broods her eggs near a small outcrop of rock unofficially called El Dorado Hill. When a female octopus broods (which can be a timespan of multiple years), she does not eat and dies ...

Cephalopods may have the oldest sex chromosomes of any animal, according to a new discovery in the octopus genome. That's a big deal given that scientists didn't know until now if these oddball ...

Researchers at the Monterey Bay Aquarium Research Institute studied female octopuses that nest together off Central California at a depth of about 3,200 meters. (MBARI) Off the coast of California is ...

Researchers in Australia recently discovered that female octopuses throw debris with a strengthened force at targets when they feel harassed. The researchers observed these females throw silt, algae ...

A Florida boater caught a red blanket octopus on camera. Blanket octopuses are occasionally spotted deep in the sea. Female blanket octopuses are the only ones to have the blanket features. A Florida ...

Female octopuses were far more likely than males to 'throw' objects at others. John Turnbull via Flicker under [CC BY-NC-SA 2.0] Scientists have discovered that female octopuses will "throw" objects ...

An octopus named Ghost will tend to her eggs that will never hatch, a California aquarium said. Screengrab from @Aquariumpacific on Instagram. A dying octopus will devote the rest of her life to ...

Tacoma — The Point Defiance Zoo & Aquarium in Tacoma has a new resident: a 32-pound female giant Pacific octopus. For the next few days, the Pacific Seas Aquarium is holding a poll asking people to ...

A male blue-lined octopus often becomes their partner's meal after mating but the University of Queensland's Fabio Cortesi tells NPR's Ayesha Rascoe some males have found a way to survive. The love ...

Off the coast of California is an unusual “octopus garden” — the largest congregation of deep-sea octopuses ever discovered on Earth, where over 6,000 octopuses huddle around an extinct underwater ...