The grey seals slide out of their cages into the Baltic Sea near the Lithuanian coast, swimming off to new lives imperilled ...

The seal population has increased from about 4,000, considered nearly extinct, in the late 1980s to about 50,000.

Four uncrewed robotic sailboats known as “Voyagers” have been put into service by the Danish Armed Forces for a three-month trial.

The increasing disruption of satellite-based navigation systems in European waters significantly increases the risk of ...

Talks continue, but Polish defense-acquisition officials have deemed three submarine vendors as front runners.

Researchers have successfully revived algae that remained dormant underneath sediment at the bottom of the Baltic Sea for more than 7,000 years.

An undersea fiber optic cable between Latvia and Sweden was damaged on Sunday, likely as a result of external influence, Latvia said, triggering an investigation by local and NATO maritime forces ...

Candela’s (Stockholm, Sweden) zero-emissions hydrofoiling electric boat, the Candela C-8, has reportedly become the first electric vessel to cross the Baltic Sea, journeying between Stockholm, Sweden ...

Incredibly, this is not the oldest champagne ever found on a Baltic shipwreck. In 2010, diving instructor Christian Ekstrom and his team discovered 30 or so bottles of bubbly on a sunken ship near ...

BERLIN — The shallow waters of the Baltic Sea have become a secondary arena of confrontation in the larger standoff between the East and the West. Fears of hybrid warfare, coupled with key ...

WARSAW, Poland - Poland and the Baltic states are accelerating efforts to acquire new submarines and vessels that will broaden their capabilities suitable for the sea's shallow waters.