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A new study has shown octopuses' sleep might be more like humans than initially thought and could even include dreaming. The study found octopuses have a sleep pattern similar to REM where most ...

Octopuses exhibit distinct sleep stages, mirroring human patterns with quiet and active phases. During active sleep, their skin displays rapid, organized color changes, suggesting brain activity akin ...

A distinct striped pattern on a species of octopus varies from one individual to the next, which could help researchers monitor the rare animal. Pygmy zebra octopuses (Octopus chierchiae), also known ...

Octopuses and other camouflaging cephalopods may be the literal embodiment of “now you see me, now you don’t.” Using both rapid color and texture changes, octopuses can blend into nearly every ...

Camouflage isn't the only way cephalopods have evolved to change their appearance. Octopuses and other cephalopods make the fastest transformations in the animal kingdom. Here, a giant Pacific octopus ...

Some octopuses intimidate their neighbors by turning black, standing tall and looming over them threateningly, like an eight-armed Dracula. That's according to a study published Thursday that helps ...