The common octopus would be unique for its appearance alone, with its massive bulbous head, large eyes, and eight distinctive arms. But by far the most striking characteristic of the octopus is the ...

Octopuses are fascinating animals—and serve as important model organisms in neuroscience, cognition research and developmental biology. To gain a deeper understanding of their biology and evolutionary ...

They change shape and color, and squirt ink. But they also will return your gaze, "as if they're scrutinizing you." ...

Add Yahoo as a preferred source to see more of our stories on Google. A common octopus (Octopus vulgaris) off Croatia in the Mediterranean Sea. Reinhard Dirscherl/ullstein bild via Getty Images We ...

Perhaps it’s time we stopped feeling quite so bad about eating octopus. Octopuses dine on other octopuses, too. And for the first time, that behavior has been caught on video in the common octopus in ...

At first glance, it looks as though an octopus has chosen an unusual form of transportation. In photographs taken off Berry Head in Devon, England, a common octopus has wrapped its arms around the ...