Coverage of a newly identified octopus species, detailing its unique traits and what the discovery reveals about ocean ...

Can you imagine spending your entire life without ever touching the floor? Well, that’s the reality for this octopus. Pelagic ...

Unlike most of its invertebrate peers, octopuses gave up protective shells... But it seems that the sacrifice was totally worth it.

Four new species of deep-sea octopus have been discovered on underwater mountains around 3 kilometres down in the Pacific off Costa Rica, according to Schmidt Ocean Institute. A radical new theory ...

Researchers described two extinct finned octopus species from Cretaceous-era fossils, evidence that giant invertebrates shared apex roles with marine reptiles. The study analyzed 27 fossil octopus ...

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This octopus survives in plain sight. Here’s how it adapts its body in real time to mirror dangerous species and navigate one of the ocean’s most exposed environments.

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Shallow-water octopuses can be difficult ...

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 ...