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

Coastal erosion is eating away at shores all over the world, forcing residents and wildlife to flee and putting lives at risk. These shocking photos show the extent around the world.

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

A succession of major incidents has raised alarm bells and called into question the security of pipelines that are ...

Sometime during 1497, the Portuguese armada, led by Vasco de Gama, while searching for a sea route from Europe to India, ...

A Russian warship was spotted escorting a cargo ship near the U.K. just two weeks after the British Royal Navy tracked other Russian ships.

Adherence to international law makes it harder for the Estonian navy to protect critical undersea cables.

The Baltic Sea is now surrounded by NATO members, with Finland and Sweden having recently joined the military organization.

(U.S. Navy) MILAN — NATO showed off its underwater surveillance capabilities in an unmanned surface vessel demonstration in the Baltic Sea as part of alliance efforts to deter acts of sabotage ...

Teams of sea rescuers and wildlife experts successfully freed a whale that got caught in fishing nets near a popular Baltic Sea resort in Poland. It took about an hour for the rescuers to cut and ...