Diving in the Great African Seaforest, with its tightly packed towering kelp stipes that can rise up to 9 meters, or 30 feet, ...

The staff and I have been pretty sad. But then, this is Inky, and he’s always been a bit of a surprise octopus.” ...

In a recent news report from ABC, it was revealed that scientists from the Ocean Exploration Trust captured on film one of ...

When I set sail on the MV NorSky in the summer of 2008 to probe the depths of Manus Basin off the coast of Papua New Guinea, ...

Scientists uncover the truth behind a well-known fossil, Pohlsepia mazonensis, showing the "world's oldest octopus" was not ...

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

An octopus-shaped nanomachine hijacks tumor ATP leakage to power a self-amplifying cycle of membrane damage, drug delivery, and metabolic collapse in cancer cells.

Birch Aquarium has reached a milestone in octopus care. It has successfully helped raise and settle red octopuses. KPBS environment reporter Tammy Murga says this is giving researchers rare insight ...

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 peculiar 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—the bulbous structure ...

Argonaut octopuses are rarely seen by humans, as they live in the open ocean away from shores. Females have a thin shell that carries their eggs, giving them the nickname ‘paper nautilus.’ Males have ...

Octopuses are an extremely diverse group of sea life. With roughly 300 species in total, there are many octopus species that are unfamiliar to most people. One example is the argonaut, a type of ...