During a day at the beach, it’s common to see people walking up and down the shore collecting seashells. As a paleontologist and marine ecologist, we look at shells a bit differently than the average ...

A collection of fossil shells from marine snails and clams is challenging a theory that says the world’s deadliest mass extinction was accompanied by severe ocean acidification. Instead of showing ...

Mollusk shells at 4,000-year-old Native American shell ring villages indicate that environmental change may have driven the formation and abandonment of these coastal communities, according to a new ...