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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 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 ...

The first whole genome analysis of an octopus reveals unique features that likely played a role in the evolution of traits such as large complex nervous systems and adaptive camouflage. An ...

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 ...

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 ...