The shell of the giant pink queen conch evolved over millions of years into the perfect haven. Now, researchers have probed the mollusk shell’s mysterious inner architecture in such detail that they ...

Divers plumb the turquoise depths of ocean waters some 100 kilometers south of this vacation paradise, in search of the distinctive queen conch shell prized by vacationers and souvenir-seekers. These ...

Archaeologists working in northeastern Spain say a cache of conch shells was not just decorative debris from ancient shorelines but a set of carefully modified instruments that once filled Neolithic ...