This object is part of the Education and Outreach collection, some of which are in the Q?rius science education center and available to see. These specimens are Nurse Shark teeth. The Nurse Shark has ...

One of a blacktip reef sharks’ top teeth as seen under a scanning electron microscope. CREDIT: Maximilian Baum (HHU) / Steffen Köhler (HHU). Get the Popular Science daily newsletter💡 Breakthroughs, ...

Analyzing over 9,000 fossil shark teeth reveals that today’s sharks occupy less ecological space than their ancient counterparts. (Maggie Martorell/Miami Herald/Tribune News Service via Getty Images) ...

A flash of gold in the watery depths is not what most divers, fishers, or beachgoers expect to see. Even if you’re a seasoned gold hunter, the ocean is not usually the first place one thinks of, ...