Unlike most octopuses, which tackle their prey with all eight arms, a rediscovered tropical octopus subtly taps its prey on the shoulder and startles it into its arms. “I’ve never seen anything like ...

A wild octopus surprised an Australian diver this week by suddenly, and quite dramatically, inflating itself with water, ballooning up like a parachute. Later, when the diver posted a video of the ...

A video shows an octopus appearing to wake up from sleep in distress. The behaviour looked similar to waking up from a nightmare, scientists said. The findings raise questions about the possibility of ...

A seven-arm octopus was spotted in Monterey Bay in Nov. 6, 2025; the 'rarely seen' deep-sea octopus was spotted by ...

These five research-backed insights show why the octopus remains one of the most extraordinary minds in the animal kingdom.

Slowly sneaking up on its prey and carefully reaching an arm over to tap it on the shoulder, the larger Pacific striped octopus startles its food into its arms. As if this recently observed behavior ...

They flirt, hold hands and guard their lovers jealously — yet they don't even have bones. The love lives of octopuses are far more complex than anyone thought, a team at the University of California, ...

Scientists have given octopuses ecstasy to see what would happen and it turns out that, like humans, it makes them more social. After soaking in a bath containing methylendioxymethamphetamine—or ...

A stranded octopus gets a helping hand back to the ocean and takes the time to "high five" the rescuer. What really happened?

When the larger Pacific striped octopus was first observed in the 1970s, its unusual social and mating behavior were so strange that no one would publish it. But researchers have now found it all true ...