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

Although prized in the United States, the crustaceans have been decimating ecosystems and the fishing industry in Italy.

Scientists discovered a strange feature in certain octopuses’ ribosomal RNA, molecules that create a 3D scaffold for cellular protein factories. It was found only in shallow-water creatures that have ...

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 ...

Atlantic blue crabs have moved into the Mediterranean and Adriatic seas, where they are a problem both for ecosystems and local economies, but octopuses might offer a solution ...

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 ...

Under a University of Bologna effort called Octo-Blu, about 80,000 common octopuses raised in captivity have been released ...

Photographs taken off Berry Head, Devon, show a common octopus wrapping its arms around the dorsal fin of a Risso’s dolphin.

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 ...