This unassuming octopus pairs bacterial chemistry with evolutionary efficiency to deliver one of the most powerful defenses in all of the ocean.

Among the ocean's most dangerous creatures, size isn't everything; in fact, some of the smallest marine animals are among 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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A woman has been bitten multiple times by one of Australia's most ...

Add Yahoo as a preferred source to see more of our stories on Google. A teenager in Australia nearly died from a poison octopus' bite after he pocketed a seaside souvenir. 18-year-old Jacob Ettington ...

Immune System A teen's classic diabetes symptoms didn't improve with treatment — revealing she also had a much rarer syndrome Aquatic Animals Mystery of golden orb found in depths of ocean off Alaska ...

An Australian teen nearly died when he was bitten by a poisonous blue-ringed octopus hiding in a shell he scooped out of the ocean to show his niece. Jacob Eggington, 18, was swimming and looking for ...

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 ...

An Australian woman swimming at a Sydney beach was bitten multiple times by the dangerously fatal blue-ringed octopus on Thursday, according to reports. The Australian, a newspaper in Australia, ...

Aquatic Animals Mystery of golden orb found in depths of ocean off Alaska finally solved: 'Everyone was like, What the heck? What is that?' Rivers & Oceans Glowing ring of plankton surrounding New ...