Somewhere on the seafloor off eastern Australia, an octopus gathers a fistful of silt, repositions its siphon between its rear arms and jets the material straight into the body of another octopus ...

You may have spotted a viral Instagram video posted in April 2026 showing an octopus hurling rocks at another octopus, along with a claim that females throw debris at males who won’t leave them alone.

Slime molds are simple organisms, yet they demonstrate problem-solving abilities that rival complex human systems. By spreading out and retracting, they form highly efficient networks that connect ...

LONDON – A 300-million-year-old tentacled sea creature has lost its crown as the world’s oldest octopus, after scientists found evidence that it’s not an octopus at all. Newly published research ...

"Where the Crawdads Sing" filmmaker Olivia Newman is bringing another smash-hit bestseller to the screen; this time, with a cephalopod star at its center. If you spend any time at all in your local ...

A 300-million-year-old fossil hailed as the world's oldest "octopus" has turned out to be something else altogether. The artefact even featured in the Guinness Book of Records. But new research shows ...

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 ...

Octopuses are some of the most mysterious animals living in the sea. In research out today, however, scientists have pulled back the curtain on the male octopus’ penis-like arm, formally known as the ...

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 ...

The California two-spot octopus is a solitary creature. How exactly they manage to find suitable mates has been one of the ocean’s best-kept secrets. Now scientists have discovered that male octopuses ...

For a male octopus, there is one appendage it cannot afford to lose. This is its third right arm, which has a specialised role in sex. Therefore, they take extra care to protect it. A new study led by ...

A new shape-shifting material can change both its texture and color in seconds, inspired by the camouflage abilities of octopuses. By precisely controlling how a polymer swells with water, researchers ...