Scientists have estimated that just one small stretch of beach on the Gulf of California contained at least 2 trillion shells ...

On a barrier island off the coast of McIntosh County, Georgia, archaeologists have been scrutinizing mounds of leftover shells, bones, and other artifacts. These heaps of debris, known as shell rings, ...

Flashy iridescent shells might not seem like the best evolutionary strategy for bugs trying to avoid hungry birds. But in recent years, biologists have shown that iridescence—lustrous shifts in color, ...

Seashells are so plentiful that you may sometimes take them for granted. Scientists have estimated that just one small stretch of beaches along the Gulf of California contained at least 2 trillion ...