Scientists once thought of tool use as a defining feature of humans. That's until examples of tool use came in from other primates, along with birds and an array of other mammals. Now adds an octopus ...

When hunting for tasty morsels like crabs and scallops, octopuses must watch out for predators at all times. That's why some of these brainy, eight-legged creatures bring along ready-made body ...

Octopuses have been discovered tip-toeing with coconut-shell halves suctioned to their undersides, then reassembling the halves and disappearing inside for protection or deception, a new study says.

In late September 2025, an image claiming to show an octopus helping a diver with underwater maintenance tasks began circulating on Facebook. One version (archived), included the following caption: ...