This rarely seen glass octopus bared all recently — even a view of its innards — when an underwater robot filmed it gracefully soaring through the deep waters of the Central Pacific Ocean.

Steve Fallaize, a commercial fisherman for more than 30 years, said the molluscs had been multiplying in bailiwick waters – ...

We know octopuses are intelligent, but watch as this octopus surprises scientists by finding its own way to solve a problem.

Viewers can see the octopus tripping up the object of her affection, wrapping herself around his legs as he’s trying to walk out of the ocean in an effort to get him to notice her.

The octopus just revealed another one of its secrets: what determines its sex. University of Oregon researchers have ...

The research suggest octopus and other cephalopods, like squid and cuttlefish, all rely on the ancient chromosome to ...

This underwater alliance between octopus and fish tends to pay off for both. Learn why the relationship works.

Discover how researchers identified an octopus' ancient sex chromosomes and why their genetic history is such a mystery.

Nature’s anything but a safe place. Some of the creatures you’ll find out there are straight-up biological weapons. Get ready ...

A “violent and disturbing” video has emerged of a teenage boy repeatedly punching a live octopus in the head at a Bay of ...

Octopus farming would be banned in Oregon under a bill that animal welfare advocates claim is necessary to protect the ocean dwellers from inhumane treatment.

Researchers have identified a sex chromosome in the California two-spot octopus. This chromosome has likely been around for 480 million years, since before octopuses split apart from the nautilus on ...