The octopus is one of the world’s most alien creatures, but nothing puts that into perspective more than the physiological ...

Octopuses have as many neurons as dogs – around 500 million – and a larger nervous system than all other invertebrates. Two-thirds of these neurons are in their arms and the rest are in the brain.

Octopuses have a few characteristics that make them stand out as one of the most intelligent mollusks in the ocean. These ...

8 fascinating facts about octopuses—from their supersmarts to their favorite foods. Our photographer got an exclusive look at how researchers are learning more about these cephalopods—and how ...

Ten Wild Facts About Octopuses: They Have Three Hearts, Big Brains and Blue Blood These bizarre creatures have been around for hundreds of millions of years, and for humans, they’ve inspired ...

The octopus is a magnificent and mysterious creature. They’re well known for their eight tentacles, but did you know these other outstanding facts? 1. "OCTOPI" IS ONLY KIND OF THE PLURAL FOR ...

Octopus facts: 5 incredible tidbits you didn't know about the cephalopod. What octopuses eat depends on what species they are and where they live.

Dumbo octopuses live at extreme depths in oceans around the world—up to 13,000 feet below the surface—and are the deepest-living octopuses known. They feed on snails, worms, and other ...

Next on the “amaze-o-meter” of octopus facts is their unreal ability to camouflage themselves. Unlike most species who maintain a static appearance, using their basic coloring or overall shape ...

Octopuses are capable of sophisticated tasks, from solving puzzles to decorating their dens to remembering people's faces. So when a company in Spain announced that it wanted to commercially farm ...

Octopuses have more than one heart and they're not the only animal that does. Here's how many hearts squids and octopuses have and why they need them.

Octopuses are brainy, blue-blooded, shape-shifting, fascinating creatures of the sea. With their knack for outsmarting expectations, these are just a few of the many facts that showcase how ...