For an octopus, exploring the ocean floor with eight highly sensitive arms is a constant game of roulette. These limbs are ...

The hectocotylus is both a reproductive and sensory organ, Harvard scientists and others have found. Octopuses are some of the most mysterious animals living in the sea. In research out today, however ...

How do octopuses mate in the dark? A new study shows how the hectocotylus arm uses progesterone receptors to "taste" for a mate.

Add Yahoo as a preferred source to see more of our stories on Google. A mating pair of wild Octopus americanus, one displaying the arm action “raise.” A new study of octopuses in the wild found that ...

Scientists have learned how male octopuses’ specialized sperm-depositing arm knows where to go ...

The hectocotylus is both a reproductive organ and a sensory organ, a rare combination in animals, new research suggests ...

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, ...

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 ...