As video engineer Jacob Ottaviani described, “being in the control van for our first sighting of this animal was pretty incredible,” The discovery of the Palau nautilus was made possible by a ...

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 ...