An octopus distributes roughly two-thirds of its neurons not in its brain but across its eight arms, giving each limb a ...

Octopus and other cephalopods are good at hiding themselves—and are inspiring cutting-edge technologies that may help us do the same. Cephalopods like the giant Pacific octopus (Enteroctopus dofleini) ...

Aristotle didn’t have a high opinion of the octopus. “The octopus is a stupid creature,” he wrote, “for it will approach a man’s hand if it be lowered in the water.” Twenty-four centuries later, this ...

When octopuses snooze on the seafloor, their skin sometimes pulses with an array of colors, and at other times, they become pale and plain. These alternating patterns mark two distinct stages of the ...