In addition to a central brain located between its eyes, an octopus has eight separate clusters of nerve cells, called ...

Octopuses have a few characteristics that make them stand out as one of the most intelligent mollusks in the ocean. These slippery, strange ocean creatures, characterized by their large craniums and ...

The venomous blue-lined octopus is one of many species that engages in sexual cannibalism. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday.

The blue-ringed octopus, a tiny sea animal, has an incredibly lethal bite. Its venom is 1,200 times more toxic than cyanide and can rapidly paralyze and even kill a human.

Male blue-lined octopuses inject a powerful neurotoxin into the hearts of females before mating to avoid being eaten, according to a new study. CNN values your feedback 1.

Picture an octopus that could be deadly to humans. You’re probably thinking of a large creature, and not one that is the size of your palm. But indeed, that’s the blue-ringed octopus, one of several ...

Octopuses are “geniuses,” Sy Montgomery tells us in “Secrets of the Octopus.” ... the whorl of iridescent blue surrounding the up-close horizontal iris of an octopus eye.

Man bitten by blue-ringed octopus at Balmoral Beach, Sydney. The 43-year-old experienced four bouts of paralysis after being bitten by a tentacled animal at a popular Sydney beach.

In "The Universe in Verse," Maria Popova highlights the search for truth and meaning through the lenses of both science and ...

Jaun-Paul “JP” Kalman, 43, was swimming at Balmoral Beach about 1pm on February 5 when he found a blue-ringed octopus stuck to his hand. “Its little blue spots were pulsating incredibly blue ...