Never challenge an octopus to a popping and locking dance off, that’s what my grandad always said. With eight worm-like arms, they exhibit extraordinary dexterity and control, and now scientists ...

Researchers in New Zealand saw a colorful blob on top of a shark’s head. When they looked closer, they realized it had eight arms.

This was proven experimentally in 2011 when researchers tested whether an octopus could learn to guide one of its arms through a maze to reach food. The maze was designed so that the arm would have to ...

Octopus arms are covered in numerous suckers—bowl-shaped cavities made of thick muscles that can grasp objects with a vice-like grip. The sides and edges of these suckers are rimmed with concentric ...

Male blue-lined octopuses inject a powerful neurotoxin into the hearts of females before mating to avoid being eaten, ...

This octopus species lives in open water in Earth ... She has two specialized dorsal arms that secrete a chalky substance, forming a pleated shell in which she can hide, float, and brood eggs.