Finned octopus species alive today are all small, deep-sea animals that mostly live in pitch-black darkness thousands of meters beneath the surface of the sea. But a new discovery by a team of ...

Giant octopuses measuring up to 62 feet (19 meters) in length were among the top ocean predators around 100 million years ago, according to new research that uncovered rare fossils hidden within solid ...

The top predator prowling the seas during the age of the dinosaurs 100 million years ago may have been the octopus. New analyses of fossilized jaws reveal that massive, kraken-like octopuses once ...

The coconut octopus has solved a problem that stumps most soft-bodied ocean creatures: how to survive on a wide-open, featureless seafloor teeming with predators. Its solution involves tools, forward ...

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

An octopus doesn’t get a second chance when a shark or dolphin is nearby. With no shell for protection, this soft-bodied escape artist has to disappear before a hungry predator spots it. Watch the ...

Add Yahoo as a preferred source to see more of our stories on Google. Sharp, well-lit octopus centered with excellent tentacle detail© MBARI (Monterey Bay Aquarium Research Institute) via YouTube — ...

Most octopuses are homebodies of the ocean floor. If you’ve ever seen one on a nature show, it was probably tucked neatly into a rocky crevice, draped over a coral reef, or buried up to its eyes in ...

On the seafloor, the veined octopus (Amphioctopus marginatus) turns discarded coconut shells into something far more useful than debris. It collects the broken shells and carries them across the ocean ...