The chambered, or pearly, nautilus (Nautilus pompilius) is a charismatic cephalopod species known for its exceptional spiraling, chambered shell. It belongs to a family that has barely changed since ...

A groundbreaking discovery was made in the deep waters of the Palau Islands when the research vessel E/V Nautilus encountered a rare marine creature, a species that has remained virtually unchanged ...

Start by not buying their shells — the main reason for their threatened status. According to Save the Nautilus ... the creature — a living fossil — may be gone in 50 years.