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 ...

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 ...

Scientists studying the behavior of wild octopuses off the coast of Australia have made a strange discovery, with the creatures caught hurling silt, algae and even shells at one another. The finding ...

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 ...

UC Berkeley marine biologist Roy Caldwell first saw the intriguing octopus in Panama, in 1977. It was pretty, and striped, and about the size of his little finger. He brought a few specimens back to ...

A Texas mom is concerned after she says an octopus at the San Antonio Aquarium left bruises on her 6-year-old son’s arm. According to the mother, Britney Taryn, her son has been visiting the aquarium ...

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 ...

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 ...