One pet octopus suddenly became more than four dozen. They went viral. Then it all went south. By Emily Anthes Emily Anthes is a science reporter who writes Pet Theory, a column about our creature ...

Videos of octopuses solving puzzles and escaping from jars have long fascinated people — from the safety of dry land, of course. But under the sea, octopuses’ deadly intelligence makes them one of the ...

Scientists implanted electrodes into an octopus' head for the first time. It only raised more questions ...

The octopus arm is extremely flexible. Thanks to this flexibility--the arm is said to possess a virtually infinite number of "degrees of freedom"--the octopus is able to generate a vast repertoire of ...