Researchers have captured the first three-dimensional measurements of a deep-sea octopus moving across rugged volcanic rock ...

Scientists have identified a golf-ball-sized blue octopus from deep waters near the Galápagos as a new species. The discovery ...

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It could be easy to miss a blob the size of a golf ball. But its blue hue—the rarest color in nature—stood out against the sand, grabbing researchers’ attention. It wasn’t a blob but an adorable blue ...

Scientists have discovered at least four new species of octopus in the deep waters of a 100-square-mile area near Costa Rica, officials from the Schmidt Ocean Institute said on Tuesday. An ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Most octopuses live fast and die young. In shallow seas, ...

A submersible in the Pacific Ocean found a deep-sea creature with “long,” sucker-covered arms and discovered a new species, a study said. Screenshot from video shared via Tang, Zheng and Zhang (2025) ...

Flinders University researchers have taken a look at why the large Dana octopus squid, which can weigh up to 160kg and measure 2.3 meters long, is so popular on sperm whales' menu. While rarely seen ...