Whelk sea shells get this stained look after being buried for extended periods in marsh mud. The resurface on beaches after the mud shifts closer to the sufact, says the National Park Service National ...

Almost 80 years after its discovery, a large shell from the ornate Marsoulas Cave in the Pyrenees has been studied by a multidisciplinary team: it is believed to be the oldest wind instrument of its ...

Cape Lookout National Seashore on the Outer Banks is seeing large seashells tumbling ashore, due to strong seasonal wave action off the North Carolina coast. Park visitors report finding more shells ...