Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Go diving into the intertidal waters of the Great Barrier ...

Brazilian reef octopuses, like other types of cephalopods, defend themselves against predators by inking and extending their mantles. Paul Asman and Jill Lenoble via Flickr under CC BY 2.0 Costello ...

Scientists surveying marine life near Rotuma in the South Pacific caught something unexpected on camera: a day octopus appeared to punch a grouper fish on the seafloor. As strange as it sounds, this ...

The sprawling documentary series, The Americas takes viewers to the southern tip of Chile, the frozen north of Alaska and Canada, and all points between to explore our planet’s largest supercontinent.

Biologists investigated whether octopuses preferred certain arms over others when hunting, rather than using each arm equally. No matter what type of prey came by, each octopus attacked using the ...

Nine brains, blue blood, instant camouflage: It’s no surprise that octopuses capture our interest and our imaginations. Science-fiction creators, in particular, have been inspired by these tentacled ...