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.

PORT ANGELES — Coinciding with the launch of their first book together, “The Book of Turtles,” New York Times bestselling science writer Sy Montgomery and illustrator Matt Patterson are visiting the ...

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 ...