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

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

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 ...

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 ...

"It eats everything, including young clams lying on the seabed." ...

Atlantic blue crabs have moved into the Mediterranean and Adriatic seas, where they are a problem both for ecosystems and ...

Italian scientists have released 130,000 common octopuses (and counting) to fight blue crabs that have proliferated in parts of the Mediterranean, to the detriment of local species. The crabs were ...

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