A new species of deep-sea octopus with enormous eyes. Opisthoteuthis carnarvonensis, the Carnarvon flapjack octopus, was found in Australia.

Octopuses are ambidextrous, a new study finds, but they favor their front arms for investigating surroundings and their back arms for locomotion.

In the turquoise shallows of the Caribbean and the rocky coasts of Spain, researchers have captured an extraordinary ...

Octopuses and their arms are a bit of a mystery.  Not because scientists don’t know how they work; they’re boneless hydrostats, made up of groups of muscles working together and capable of bending, ...

Octopuses and squids are like the misfit cousins of the sea that everyone confuses at family reunions, but once you […] ...

In a study that has yet to be peer-reviewed, scientists documented behavior in a captive cephalopod that they say looks very similar to a bad dream. By Carolyn Wilke Costello the octopus was napping ...

A video shows an octopus appearing to wake up from sleep in distress. The behaviour looked similar to waking up from a nightmare, scientists said. The findings raise questions about the possibility of ...

A new species of shape-shifting octopus has just been described by scientists in Australia. The tiny cephalopod grows only about 1.6 inches across, but it can survive more than half a mile beneath the ...

KAILUA-KONA, Hawaii — Sandwiched here between the Pacific Ocean and Kona Airport — atop a dusty volcanic desert — dozens of 100-gallon water tanks gurgle and bubble away; each home to a solitary, wild ...