"It's adorable." A strange new octopus species found on the ocean floor can comfortably fit in the palm of your hand.

A newly identified species was found in the Galápagos Islands, one of the world’s most significant biodiverse areas.

Scientists discovered what they're calling the Microeledone galapagensis, a new octopus species with odd coloring and an even ...

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Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. This voice experience is generated by AI. Learn more. This ...

Octopuses’ earliest relatives that lived 100 million years ago may have been "gigantic" predators that hunted alongside dinosaurs, according to new research. Although scientists previously believed ...

More than two decades after scientists identified a fossil as the world’s oldest octopus — officials now say it wasn’t one at all. A recent study published in the journal Proceedings of the Royal ...

Pohlsepia mazonensis, a visually underwhelming fossil from Illinois, fundamentally broke our understanding of cephalopod evolution. Described in 2000 and hailed as the oldest known octopus in the ...

A prehistoric fossil previously thought to belong to the world's oldest octopus has been reclassified as something else, after scientists discovered the remains actually belonged to a different type ...

In 2000, researchers described an odd fossil found not far from Chicago. It had a round body, finlike structures on one end and a tangle of arms. The fossil was classified as an octopus and named ...