Octopuses can open jars, use tools, solve puzzles and even recognize individual human faces staring back at them through aquarium glass. Should they serve as menu items, too? Whether stuffed into ...

It’s an octopus-eat-octopus world. Scientists have discovered that when mating, male blue-lined octopuses will inject a powerful, incapacitating neurotoxin into the hearts of female octopuses — to ...

Jenny Evans / Getty Images 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 ...

Octopus mothers undertake an intense maternal journey. After laying thousands of eggs, they stop eating and dedicate ...

Perhaps it’s time we stopped feeling quite so bad about eating octopus. Octopuses dine on other octopuses, too. And for the first time, that behavior has been caught on video in the common octopus in ...