For years, this fossil seemed to tell a thrilling story. Here was an animal from more than 300 million years ago that ...

Scientists uncover the truth behind a well-known fossil, Pohlsepia mazonensis, showing the "world's oldest octopus" was not ...

The mystery of a controversial fossil, once believed to be the oldest known octopus, has finally been resolved. First ...

In this study, the authors use microCT to image an intact hatchling octopus and segment major organ systems, including the vascular, respiratory, digestive, and nervous systems. The resulting dataset ...

A 30, Pohlsepia mazonensis, previously believed to be the world's oldest octopus, has been re-identified by scientists.

Compared with the arms of an octopus, our own bony limbs are about as flexible as old tree branches. It stands to reason that the anatomy within the cephalopod's sucker-speckled appendages ought to be ...

Intriguing and incredibly unique, octopuses are cephalopods with three hearts that pump blue blood throughout their eight arms. These intelligent sea creatures have multiple brains — nine, to be exact ...

For over two decades, the 300-million-year-old fossil Pohlsepia mazonensis was celebrated as the world’s oldest octopus ...

To solve this puzzle, Thomas Clements, a paleontologist at the University of Leicester, and his colleagues put this supposed ...

A famous 300-million-year-old fossil that was thought to be the world's oldest octopus—even featuring in the Guinness Book of ...

This quiz tests what you know about octopus anatomy and behavior. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.