Two-thirds of an octopus’s neurons are in its arms—each operating independently—including the one it uses to have sex.

We’ve always taken a certain childlike joy in seeing tiny things made big, and big things tiny. Evidently [Uncle Stem] is the ...

A new octopus-inspired robotic arm can sense, adapt, and grasp objects on its own, marking a major leap in soft robotics. (CREDIT: Istituto Italiano di Tecnologia - IIT) A new generation of robots is ...

Robots exploring the ocean floor today use pre-programmed movements, centralized processors, and rigid structures to do their work. But the sea is unpredictable, and that architecture struggles ...

It could be easy to miss a blob the size of a golf ball. But its blue hue—the rarest color in nature—stood out against the sand, grabbing researchers’ attention. It wasn’t a blob but an adorable blue ...

Researchers studying the Japanese pygmy octopus report that males carefully protect a specialized mating arm, behavior documented in lab tests and field observations. In octopus mating, the ...

Octopuses are some of the most mysterious animals living in the sea. In research out today, however, scientists have pulled back the curtain on the male octopus’ penis-like arm, formally known as the ...

Octopus sex hinges on a bizarre anatomical trick. In lieu of a penis, the male has a special mating arm called a hectocotylus. He feels around with it inside the female’s mantle—a bulbous structure ...

The California two-spot octopus is a solitary creature. How exactly they manage to find suitable mates has been one of the ocean’s best-kept secrets. Now scientists have discovered that male octopuses ...

Add Yahoo as a preferred source to see more of our stories on Google. A California two-spot octopus (Octopus bimaculoides). David Liittschwager, National Geographic Image Collection The California two ...

For a male octopus, there is one appendage it cannot afford to lose. This is its third right arm, which has a specialised role in sex. Therefore, they take extra care to protect it. A new study led by ...