A new submarine cable project connecting Finland and Sweden has officially begun. This cable will run under the Baltic Sea ...

The captain of a Hong Kong-registered ship alleged to have damaged undersea cables in the Baltic Sea was assigned a lawyer in ...

The Baltic Sea is better known than the North Sea for highlighting the vulnerability of the alliance's critical undersea ...

Analysts have been tracking Russian electronic warfare from across the Gdańsk Bay, pinpointing familiar sites in Kaliningrad.

Eastern Baltic cod grow to much smaller sizes than they did just 30 years ago, because overfishing altered their genes, ...

Ukraine’s Black Sea operations against Russia are shaping U.S. Navy and NATO thinking on the future of drones, mines and ...

In May, NATO jets were scrambled four times to identify and escort Russian aircraft violating flight rules in the Baltic and ...

Authorities have started asking ships in transit past the country’s northern coast about their insurance cover, the foreign ...

When vacationers head into the water, they often take a quick look at the ocean floor—and for good reason. In some European ...

An 11,000-year-old megastructure, potentially used for reindeer hunting, has been discovered under the Baltic Sea, offering a ...