In the aftermath of the giant asteroid that crashed into the Yucatan Peninsula about 66 million years ago, approximately 75% ...

Evidence for ammonite survival into the Paleogene era is solid, a new study confirms, indicating that these ancient mollusks were well positioned to inherit oceans now cleared of competitors. Yet for ...

In a university swimming pool, scientists and their underwater cameras watch carefully as a coiled shell is released from a pair of metal tongs. The shell begins to move under its own power, giving ...

Ammonites were not in decline before their extinction, scientists have found. Ammonites were not in decline before their extinction, scientists have found. The marine molluscs with coiled shells and ...

The ammonoids, an extinct subclass of cephalopods, offer a remarkable window into the evolutionary innovations of marine life. Their coiled, chambered shells and intricate suture patterns record a ...

A geology professor and his student at Rogers State University (RSU) made a remarkable discovery just before spring break. Dr. Chris Shelton and student Kolby Dooling unearthed a rare, well-preserved ...