NBC News joined a NATO flotilla as it sailed the icy sea hunting Russian saboteurs accused of targeting undersea cables.

Pacific oysters are adapting to less salty waters and may soon spread into the Baltic Sea, aided by warmer seas and genetic ...

A huge new undersea tunnel costing £6.2 billion is set to change the road and rail maps of Europe forever. Work is underway ...

The AP documented 59 incidents in which European governments, prosecutors, intelligence services or other Western officials ...

Western officials have accused Russia and its proxies of staging dozens of attacks and other incidents across Europe since ...

The allied militaries did not specify where within the Arctic Circle the exercise took place, but the area is home to Russian ...

Shaped by millennia of glacier movements, the Stockholm Archipelago–with more than 30,000 islands–stretches into the Baltic ...

In our study, we therefore address the question of the potential effectiveness of Baltic Sea carbonate dissolution ... Calcite was released yearly at the sea floor in the whole of the Eckernförde ...

(CNN) — On the shores of the Baltic Sea, in the south of Denmark, a vast engineering marvel is taking shape — piece by giant ...

depleting what used to be “the richest sea on Earth”. “Its heart, the Dogger Bank, was ruthlessly overfished but now is a marine protected area, so there are some signs of hope.” ...

China issued a map in 1947 detailing its claims over a vast majority of the area with the so-called nine-dash line and calls it the South Sea, while the Philippines calls its own claimed parts the ...