For 25 years, a hand-sized sea creature embedded in Illinois rock held the title of the world’s oldest octopus. Now, thanks ...

Some octopuses that lived over 72 million years ago were as long as whales. These huge predators may have been the largest ...

More than two decades after scientists identified a fossil as the world’s oldest octopus — officials now say it wasn’t one at ...

A 300-million-year-old tentacled sea creature has lost its crown as the world’s oldest octopus, after scientists found ...

A 300-million-year-old tentacled sea creature has lost its crown as the world’s oldest octopus, after scientists found ...

The world's oldest octopus fossil is no longer an octopus. A new study by researchers says the 300-million-year-old creature ...

A 300-million-year-old fossil that earned a Guiness World Record in 2015 as the world’s oldest octopus, has now been ...

A recent study published in the journal Proceedings of the Royal Society B found that the fossil Pohlsepia mazonensis — a ...

Most people have encountered squid through their local seafood menu or field trip to an aquarium. Unlike octopuses, which are ...

New research reveals that the fossil previously thought to be the oldest octopus is actually a nautilus relative, prompting Guinness World Records to update its classification.

Scientists utilized 3D X-ray imaging to uncover new details that challenged previous ideas about prehistoric marine life.