Add Yahoo as a preferred source to see more of our stories on Google. A common octopus (Octopus vulgaris) off Croatia in the Mediterranean Sea. Reinhard Dirscherl/ullstein bild via Getty Images We ...

Add Yahoo as a preferred source to see more of our stories on Google. A common octopus (Octopus vulgaris) swims off Croatia in the Mediterranean Sea. A common octopus (Octopus vulgaris) swims off ...

Scientists found that the male’s hectocotylus, the specialized arm for mating, is lined with receptors that can sense ...

Octopuses are among the most neurologically complex invertebrates, famed for their extraordinary dexterity. Their eight arms allow them to capture hidden prey, communicate, explore, and even mate ...

In recent years, the less frequently encountered common octopus has been showing up more in Irish waters, an influx that may ...

Beachcombing after a strong winter cold front can be equal parts fascinating and sobering. This week was no exception along the Texas coast. With water temperatures dropping quickly over the last ...

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, along with their cephalopod cousins squids and cuttlefish, are considered to be some of the most intelligent invertebrates out there. They have large brains and are able to quickly master a ...

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 ...

We named him Squirt—not because he was the smallest of the 16 cuttlefish in the pool, but because anyone with the audacity to scoop him into a separate tank to study him was likely to get soaked.