In lieu of a penis, the male has a special mating arm called a hectocotylus. In a new study published today in Science, ...

The hectocotylus is both a reproductive and sensory organ, Harvard scientists and others have found. Octopuses are some of ...

Scientists found that the male’s hectocotylus, the specialized arm for mating, is lined with receptors that can sense ...

A new study by Harvard biologists reveals how octopuses feel their way to potential mates with a "taste by touch" sensory ...

Octopuses are an extremely diverse group of sea life. With roughly 300 species in total, there are many octopus species that ...

When the scientists paired two male octopuses in the same setup, the males interacted by touching arms, but they never ...

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

Learn how specialized sensory cells and 500 million neurons help octopuses recognize mates and reproduce through touch alone.

Ghost had laid eggs and entered the final stage of her life cycle, called senescence, back in September and died a natural ...

Ghost the octopus is spending her final days at the Aquarium of the Pacific caring for her eggs - even though they will never ...