Decades after WWII, unexploded ordnance is leaking toxic chemicals into the Baltic Sea, posing a threat to marine life and ...

The invasive Pacific oyster has adapted to life in less salty seas and is reproducing off the coast of Skåne, despite having ...

WSJ unpacks the allegations of sabotage that have turned the Baltic Sea into the focal point of Moscow’s hybrid war with NATO. Photo Illustration: Louisa Naks Just after midnight on Dec. 26 ...

The frequency of cable incidents in the Baltic Sea has been "exceptional" in recent years, but state actors have more ...

The south-western Baltic Sea has about 3,000 kilograms of dissolved toxic chemicals released from unexploded ordnance, ...

Russian presidential aide Nikolai Patrushev accused the alliance, particularly the U.K., of provoking instability in the ...

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

Researchers at the University of Gothenburg have discovered that what was previously thought to be a unique seaweed species ...

An oil tanker believed to belong to Russia's "shadow fleet" and suspected of sabotaging undersea Baltic cables has been ...

The invasive Pacific oyster have adapted to life in less salty seas and are reproducing off the coast of Skåne, despite ...