This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Like a starfish, an octopus can regrow lost ...

Can you imagine spending your entire life without ever touching the floor? Well, that’s the reality for this octopus. Pelagic ...

Octopus arms are one of the most flexible structures known in all of the biological world. Their agility is so extraordinary that robotics researchers want to learn the secrets behind their movements, ...

Octopuses can use any of their arms to perform tasks, but tend to use a particular arm, or arms, for specific tasks. This finding, presented in a paper in Scientific Reports, reveals more about the ...

The eldritch, alien movements of octopus arms have captivated people for generations. These underwater cephalopods don't have just one brain but nine, with each of their arms able to act ...

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 ...

“There is probably self-recognition. . . . No animal can get along in life without knowing ‘me,’” said Jennifer Mather from the University of Lethbridge in Canada, who was not involved in the study.