When sea otters hammer mussel shells against rocks to help open them, they're leaving behind their own archaeological record that can't be compared to any other creature, according to a new study. Sea ...

Shelby Township — It took only minutes for one of the fatmucket mussels tucked into the Stony Creek streambed to nestle into its new home. The small creature cracked open its shell and extended a ...

From Philly and the Pa. suburbs to South Jersey and Delaware, what would you like WHYY News to cover? Let us know! Amberly Choi walked through knee-high water last week, feeling her way through slimy ...