What makes the Palau nautilus so fascinating is its remarkable evolutionary stasis. Scientists believe this species has existed in roughly the same form for over 500 million years , making it a ...

On January 17, 1955, the USS Nautilus transmitted a historic message: "Underway on nuclear power." As the world's first nuclear-powered submarine, Nautilus could remain submerged for two weeks at ...

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 ...