Add articles to your saved list and come back to them any time. IT'S A puzzle that has survived more than 2000 years. Why does the elusive but beautiful argonaut octopus need a shell? The question was ...

The argonauts are a group of octopuses unlike any other. The females secrete a thin, white, brittle shell called the paper nautilus. Nestled with their arms tucked inside this beautiful, translucent ...

SMBE Journals (Molecular Biology and Evolution and Genome Biology and Evolution) Led by corresponding authors Masa-aki Yoshida from Shimane University and Davin Setiamarga from National Institute of ...

Argonauta Argo is an octopus but not quite the typical one. Even the sound of its name suggests that it is more intriguing than you would expect. The female species can create a protective shell for ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American The vast majority of octopus species live ...

As far back as Aristotle, naturalists have wondered why the females of a strange group of octopuses sport a thin, papery shell when plenty of their tentacled cousins are essentially naked, letting all ...