The hectocotylus is both a reproductive organ and a sensory organ, a rare combination in animals, new research suggests ...

A fossil once believed to show the world’s oldest imprint of an octopus – some 300 million years old – is actually another ...

Scientists have found evidence that a 300-million-year-old sea creature previously thought to be the world's oldest octopus ...

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

“It turns out the world’s most famous octopus fossil was never an octopus at all,” Clements says in a statement. “It was a ...

The story of a 300-million-year-old fossil has been rewritten after scientists discovered that it doesn’t actually belong to ...

For years, a 300-million-year-old fossil in Chicago was celebrated as the world’s oldest octopus. Now, after a fresh round of ...

Scientists have learned how male octopuses’ specialized sperm-depositing arm knows where to go ...

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

The hectocotylus is both a reproductive and sensory organ, Harvard scientists and others have found. Octopuses are some of ...

An artistic reconstruction of the deathbed of Pohlsepia mazonensis, 300 million years ago. (Franz Anthony/Clements et al., ...