With ear-like fins that flap gracefully through the water, the Dumbo octopus in this YouTube video looks like it waltzed straight out of an animation studio. But don’t let their cute facade fool ...

The deepest known sighting of an octopus has been captured on film, more than a mile deeper than the previous reliable sighting. The observations of the creature, captured at almost 4.3 miles down ...

Scientists discovered that octopuses use their limbs to sample the microbiomes on the surfaces they touch.

Intriguing and incredibly unique, octopuses are cephalopods with three hearts that pump blue blood throughout their eight arms. These intelligent sea creatures have multiple brains — nine, to be ...