Our special video series looks at some of the more unique shells at the Bailey-Matthews National Shell Museum on Sanibel, Florida.

Our special video series looks at some of the more unique shells at the Bailey-Matthews National Shell Museum on Sanibel, ...

Juno has taken high-definition photos of Europa’s surface, and scientists have recently analyzed this data to identify fractures and other features running across the icy shell. The researchers ...

These crustaceans have been misnamed for two reasons: First, they’re not true crabs, like blue crabs, in that they don’t have a uniformly hard exoskeleton and can’t grow their own shells.

Some ammonites had long, straight shells, while others had helix-shaped shells. Most species, however, had coiled shells lined with progressively larger chambers separated by thin walls called septa.