Scientists are studying how the argonaut octopus evolved the ability to produce a floating shell-like structure to care for its offspring. By Sofia Quaglia Argonauta Argo is not a typical octopus.

A video shows a diver in Indonesia spending an entire dive convincing a tiny coconut octopus to swap its plastic cup home for a proper shell.

"This is one of the most beautiful things that I have ever seen." ...

Add Yahoo as a preferred source to see more of our stories on Google. One hurricane and several feet of storm surge later, the Bailey-Matthews National Shell Museum and Aquarium in Sanibel has been ...

A shellfish caught by a fisherman in Suruga Bay, Japan, was not what it first appeared, according to Storyful Video shows an octopus emerge from a shell and then leap off the side of a boat to return ...

Fatima Attarwala is a business news writer and editor with a decade of experience researching, analyzing, and commenting on issues influencing the economy. Julian Stratenschulte/picture alliance via ...