As the seasons change, octopuses rewire their brains to adapt to fluctuating ocean temperatures, a new study finds. Octopuses and other cephalopods are cold-blooded, or ectothermic, meaning they ...

Upsetting but strangely satisfying new research documents octopuses punching fish during collaborative feeding sessions. The octopuses primarily do it for practical reasons, but sometimes these ...

Research showed that all eight arms of an octopus are capable of performing any task their cephalopod owner wishes, but some arms are favored for certain tasks. A detailed analysis suggests that all ...

Two years ago, a PBS documentary video showed an octopus named Heidi in what appeared to be an active dream state. Her arms twitched as she slumbered, and her skin flipped wildly through all sorts of ...

The size and structure of the octopus brain varies according to the habits and habitats of octopus. Octopus have one of the largest brains of invertebrates, with some species having more than half a ...

A diver, who has posted daily video updates to his social media about his attempts to befriend an octopus, was in shock to ...

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