Octopuses have gotten a reputation for being cunning camouflagers and intelligent creatures. But some are known for a more ominous reason: They're deadly. One group — the blue-ringed octopus (genus ...

Traditionally, when taxonomists examine a potentially new species of octopus, they dissect them, an approach that is highly invasive and nearly destroys the specimen. Alexander Ziegler Hidden in the ...

It’s not every day that scientists discover a new species of octopus, but that is exactly what has happened off the coast of western Australia. During a CSIRO research expedition to the Carnarvon ...

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. During a three-week expedition this ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American The vast majority of octopus species live ...

Dumbo octopuses live in the deep open ocean down to depths of at least 13,100 feet (4000 m) and perhaps much deeper, making this group the deepest living of all known octopuses© Bruyu/Shutterstock.com ...