You’ve probably seen it by now — that Instagram video posted in April 2026 of an octopus hurling rocks at another octopus, ...

Octopuses have been caught on camera throwing objects underwater, sometimes hitting rivals. Research explains what’s really ...

A 2022 research study conducted by researchers at the University of Sydney, led by Prof Peter Godfrey-Smith, documented this remarkable behavior in the wild. The findings, published in PLOS One, ...

In this study, the authors use microCT to image an intact hatchling octopus and segment major organ systems, including the vascular, respiratory, digestive, and nervous systems. The resulting dataset ...

Some male octopuses perform one of the most extreme survival strategies in the animal kingdom, they detach their own arm during reproduction. This bizarre behaviour is not self-harm, but a biological ...

In the dark depths of the sea, where vision is difficult, meeting a mate becomes a problem. Octopuses, which are highly ...

Life in the ocean is perilous, and 78% of the captured octopuses were missing at least one arm due to encounters with ...

In 2000, researchers described an odd fossil found not far from Chicago. It had a round body, finlike structures on one end and a tangle of arms. The fossil was classified as an octopus and named ...

A famous 300-million-year-old fossil that was thought to be the world's oldest octopus—even featuring in the Guinness Book of Records—has turned out to be something else altogether. In what amounts to ...

Octopus sex hinges on a peculiar anatomical trick. In lieu of a penis, the male has a special mating arm called a hectocotylus. He feels around with it inside the female’s mantle—the bulbous structure ...

If you liked this story, share it with other people. The photo offers a rare glimpse into the early life of the species: The black dots inside each egg are the developing eyes of the embryos, ...

Argonaut octopuses are rarely seen by humans, as they live in the open ocean away from shores. Females have a thin shell that carries their eggs, giving them the nickname ‘paper nautilus.’ Males have ...