If there was a prize for the world’s strangest cephalopods, we’re pretty sure argonauts would win. Need convincing? Well, first they make a weird ‘shell’ that isn’t technically a shell. Second, they ...

A rare and misunderstood octopus, the argonaut lives far out to sea, where females construct fragile shells to live in, marble-sized males woo them with severed arms, and much of their lifecycle has ...

Believing argonauts used their long front tentacles as sails, early naturalists named the cephalopods after the navigators of Greek mythology. In truth, these sexually dimorphic creatures, also called ...

The image of a sea creature entangled in plastic is not new, but it never fails to prompt a visceral response from the audience — a mix of guilt and helplessness in the face of a plastic crisis ...

She’ll lay strings of eggs tethered to her shell (also called an egg case) where she can tend them as they develop. Scientists know this because they’ve been able to observe argonaut mothers ...

This week's critter creates one of the most beautiful shells in the ocean. But they're not your run-of-the-mill shell-dweller: the pupu tarakihi or knobbled argonaut (Argonautus nodosus) is one of the ...

Recently, ESA has just signed a landmark contract with Italy’s Thales Alenia Space to build this lander dubbed Argonaut. Thales has secured a nearly $900 million contract from the ESA to develop ...

Thales Alenia Space announced a contract worth nearly $900 million Jan. 30 to develop and deliver the Lunar Descent Element (LDE) for Argonaut, the European Space Agency’s cargo lander slated ...