Its fractal shell designs are so beguiling that consumer demand for the shells is pushing the animals toward extinction. Populations of the chambered nautilus are now at risk of going extinct from ...

This chromosome has likely been around for 480 million years, since before octopuses split apart from the nautilus on the evolutionary tree. That makes it one of the oldest known animal sex ...

November 27, 2024 Four rare, ancient cephalopods called a Palau nautilus (Nautilus belauensis) were seen swimming across the seafloor. These strange creatures, often referred to as "living fossils ...