Tucked into shallow tide pools and coral rubble across the Indo-Pacific is an octopus small enough to sit in the palm of a ...

In the cold, dark water far below the sunlit surface around the Galapagos Islands, researchers have identified a small octopus that appears to belong to a species previously unknown to science. The ...

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 ...

A mysterious little blue octopus discovered nearly 6,000 feet beneath the waters of the Galápagos Islands has officially been identified as a brand-new species. About the size of a golf ball, the tiny ...

Undernourished coastal communities in the tropics—where children's growth can be stunted by a lack of micronutrients—can get the vitamins and minerals they need from sustainable small-scale octopus ...

In June 2024 and for years, rumors have spread that a very small, beautiful octopus covered in blue rings has enough venom to kill 26 adults within minutes: The neurotoxin causes progressive paralysis ...

A new species of flapjack octopus, with massive eyes and blood-red tentacles, has been discovered from a deep-sea canyon off the coast of Australia. The new species has been named Opisthoteuthis ...

As an octopus biologist, I get a call from the media every summer because someone has had an encounter with a blue-ringed octopus. Thankfully, everyone has been OK. Blue-ringed octopus are famed for ...