The 2021 film "My Octopus Teacher" swept the world with its touching story of a South African man who befriends a wild octopus while free diving in a kelp forest. Millions of filmgoers were charmed ...

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 ...

Octopuses, along with their cephalopod cousins squids and cuttlefish, are considered to be some of the most intelligent invertebrates out there. They have large brains and are able to quickly master a ...

Octopuses in the Red Sea often hunt together with other predatory fish—and sometimes hit them. New videos suggest they're keeping fish in line. Day octopuses in the Red Sea team up with up fish to ...