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

Discover how Galapagos tortoises self-righting abilities differ between shell types, impacting their survival. Chiari and her colleagues used 3D shell reconstructions of 89 adult tortoises–three ...

Hermit crabs have an odd housing situation. Rather than produce their own shells like other crustaceans, they must find an empty shell made by a completely different species, marine snails, in order ...