Octopuses typically have eight limbs that are called arms. Because the limbs have suction cups for its entire length, they are called arms instead of tentacles. Octopus arms can help the sea creatures ...

A mating pair of wild Octopus americanus, one displaying the arm action “raise.” A new study of octopuses in the wild found that all eight arms can do multiple actions, but their front arms are ...

Quick Take Picking up a live electric wire and swinging it around sounds like a terrible idea. For the blanket octopus, it is ...

Washington — Humans may be right-handed or left-handed. It turns out octopuses don't have a dominant arm, but they do tend to perform some tasks more often with their front arms, new research shows.

Octopuses have many amazing abilities and characteristics; they have huge brains and can solve puzzles; their ink can disguise them and disorient attackers; and their ancestors are thought to be about ...

The octopus is a striking creature. Their most defining feature, of course, is their eight arms. A new study of octopuses has now documented exactly how those eight arms are used in the wild.