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

A relaxing stroll along Sydney Harbour could have turned deadly for one man and his dog after a brush with one of Australia’s most venomous sea creatures. Jesse Donnison and his dog Otto were walking ...

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 ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Go diving into the intertidal waters of the Great Barrier ...

The octopus uses the neurotoxin tetrodotoxin (TTX), one of the deadliest toxins on Earth. The neurotoxin prevents communication signals from travelling between nerve endings and muscles by blocking ...

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 ...

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 ...

Octopuses are some of the most amazing creatures of the ocean. They are smart, flexible, and can change colour to hide from their predators. While many octopuses are small, some species can grow to ...

Viruses, Infections & Disease Hantavirus cruise: WHO Director-General will travel to Tenerife for disembarkment; repatriation flights planned on Sunday and Monday Medicine & Drugs A woman turned black ...