'We show that these animals reached total lengths of up to nearly 20 metres, which may have surpassed the size of large marine reptiles' You can save this article by registering for free here. Or sign ...

A giant octopus, likened to a mythical creature said to be capable of dragging ships to their doom, roamed the seas during the age of the dinosaurs, according to researchers. Fossils of its jaw ...

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 ...

LONDON — A 300-million-year-old tentacled sea creature has lost its crown as the world’s oldest octopus, after scientists found evidence that it’s not an octopus at all. Newly published research ...

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 ...

A 300‑million‑year‑old fossil, previously thought to be the remains of the world's oldest octopus, has been identified as a different animal. Using the latest technology to search inside the fossil, ...

An artist's impression of what the animal would have looked like A 300‑million‑year‑old fossil, previously thought to be the remains of the world's oldest octopus, has been identified as a different ...

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 ...

A famous 300-million-year-old fossil that was thought to be the world's oldest octopus—even featuring in the Guinness Book of Records—has turned out to be something else altogether. In what amounts to ...

A famous “oldest octopus” fossil has been exposed as a case of mistaken identity. Advanced imaging revealed hidden teeth showing it was actually related to a nautilus, not an octopus. The confusion ...

When octopuses mate, the male keeps the female quite literally at arm’s length. For the act, the male has a special arm called a hectocotylus, which it uses to deposit a sack of sperm inside the ...