Boltenhagen, Germany — Slowly, Dirk Schoenen dives down to a huge pile of ammunition from World War II at the bottom of the Baltic Sea. He removes some of the top pieces and carefully puts them into a ...

NAPLES, Italy — A U.S. Navy destroyer is operating in the Baltic Sea as part of a NATO mission that is adding air defense to its underwater focus as the alliance confronts repeated unidentified drone ...

Intensive agriculture, forestry, heavy traffic, industry, shipping, and overfishing are all taking their toll on the world's second-largest brackish-water sea and its unique flora and fauna. Last ...